parikshit sen , naveen r , nazanin houshmand , siamak moghadam kia , mrudula joshi , sreoshy saha , kshitij jagtap , vishwesh agarwal , arvind nune , elena nikiphorou et al, syahrul sazliyana shaharir (47).  (2024).  vaccine hesitancy decreases in rheumatic diseases, long-term concerns remain in myositis: a comparative analysis of the covad surveys.  - rheumatology.  3291-3301. 

mrinalini dey, naveen r, elena nikiphorou, parikshit sen, sreoshy saha, james b lilleker , vishwesh agarwal, sinan kardes, jessica day, marcin milchert, mrudula joshi, tamer gheita, covad study group (syahrul sazliyana- supplementary file).  (2023).  higher risk of short term covid-19 vaccine adverse events in myositis patients with autoimmune comorbidities: results from the covad study.  - rheumatology.  e147-e152. 

nur aqeelah ahmad pouzi, syahrul sazliyana shaharir, azmi mohd tamil, ruslinda mustafar, suhaida ahmad maulana, eashwary mageswaren, wan syamimee wan ghazali.  (2023).  validation and the associated factors of the malay version of systemic lupus erythematosus-specific health-related quality of life questionnaires (sleqol and lupusqol).  - plos one.  1-16. 

parikshit sen, naveen ravichandran, arvind nune, james b lilleker, vishwesh agarwal, sinan kardes, minchul kim, jessica day, marcin milchert, tamer gheita, babur salim, tsvetelina velikova, abraham edgar gracia-ramos, syahrul sazliyana (covad study group).  (2023).  covid-19 vaccination-related adverse events among autoimmune disease patients: results from the covad study.  - rheumatology.  65-76. 

syahrul sazliyana shaharir, lydia kamaruzaman, theepa nesam mariamutu, mohd shahrir mohamed said, azmawati mohammed nawi, wan syamimee wan ghazali, maleha mohd noh.  (2023).  covid-19 vaccine perception and hesitancy among patients with autoimmune rheumatic disease (aird) in malaysia.  - annals of the rheumatic diseases.  1908-1909. 

syahrul sazliyana shaharir, b. doskaliuk, n. ravichandran, j. day, p. sen, s. katsuyuki shinjo, m. joshi, n. ziade, velikova, m. milchert, j. knitza, a. makol16, k. jagtap, v. agarwal, et al covad group.  (2023).  myositis patients without autoimmune multimorbidity at lower risk of delayed onset covid-19 vaccine adverse events than other autoimmune diseases: results from the covad study.  - annals of the rheumatic diseases.  1885. 

syahrul sazliyana shaharir, julia hanim jaafar, cheng lay teh, sharifah aishah wan akbar, c. yaw kiet, c. seow lin, b. sachdev manjit singh, adawiyah jamil, rozita mohd, ruslinda mustafar, sakthiswary rajalingham, mohd shahrir mohamed said, mohd talib.  (2023).  impact of solar radiation from sun exposure and photoprotection practices on disease activity among systemic lupus erythematosus (sle) patients in malaysia.  - annals of the rheumatic diseases.  1516-1517. 

akira yoshida, minchul kim, masataka kuwana, r naveen, ashima makol, parikshit sen, james b lilleker, vishwesh agarwal, sinan kardes, jessica day, marcin milchert, , et al (syahrul sazliyana in covad study group- supplementary file).  (2023).  impaired physical function in patients with idiopathic inflammatory myopathies: results from the multicentre covad patient-reported e-survey.  - rheumatology.  1204-1215. 

r naveen, elena nikiphorou, mrudula joshi, parikshit sen, julius lindblom, vishwesh agarwal, james b lilleker, ai lyn tan, babur salim, nelly ziade, tsvetelina velikova, et al, syahrul sazliyana shaharir in covad study group (supplementary file).  (2023).  safety and tolerance of vaccines against sars-cov-2 infection in systemic lupus erythematosus: results from the covad study..  - rheumatology.  2453-2463. 

r naveen, ioannis parodis, mrudula joshi, parikshit sen, julius lindblom, vishwesh agarwal, james b lilleker , ai lyn tan, arvind nune, samuel katsuyuki shinjo, babur salim , et al. syahrul sazliyana shaharir (covad study group page 15 supplementary file).  (2023).  covid-19 vaccination in autoimmune diseases (covad) study: vaccine safety and tolerance in rheumatoid arthritis.  - rheumatology.  2366-2376. 

li fen tan, rajalingham sakthiswary, uma rajeswaran veshaaliini, syahrul sazliyana shaharir, asrul abdul wahab, suraya aziz and rosnah sutan.  (2023).  decoding the clinical significance of immunoglobulin g4 in rheumatoid arthritis.  - journal of clinical medicine.  1-10. 

v. venerito, m. fornaro, f. iannone, l. cavagna, m. kuwana, v. agarwal n. ravichandran, j. day6,7,8, m. joshi, s. saha, s. s. shaharir, et al.  (2023).  comparative disease burden in patients with rheumatoid arthritis, psoriatic arthritis or ankylosing spondylitis: data from covad patient-reported e-survey.  - annals of the rheumatic diseases.  746-747. 

e. kihlgren olsson, n. ravichandran, e. nikiphorou, j. lindblom, s. saha, s. s. shaharir, w. katchamart, p. a. goo, l. traboco, y. m. chen et al.  (2023).  breakthrough sars-cov-2 infection in fully vaccinated patients with systemic lupus erythematosus: results from the covid-19 vaccination in autoimmune disease (covad) study.  - annals of the rheumatic diseases.  540-541. 

p. sen, n. ravichandran, m. joshi, s. saha, k. jagtap, v. agarwal, o. distler, e. nikiphorou, a. l. tan, s. katsuyuki shinjo, n. ziade, t. velikova, m. milchert, i.parodis, a. e. gracia-ramos, l. cavagna,m. kuwa, s.s shaharir (43).  (2023).  post covid-19 syndrome in patients with autoimmune rheumatic diseases: results from the covad study.  - annals of the rheumatic diseases.  375-376. 

a. holloway, s. y. lee, e. nikiphorou, i. parodis, n. ravichandran, j. day, m. joshi, s. saha, s. s. shaharir, w. katchamart, p.a. goo, l. traboco, y. m.chen, p. sen, j. b. lilleker, a. nune, j. pauling.  (2023).  evaluating global patterns in treatment and prevalence of comorbidities in systemic lupus erythematosus.  - annals of the rheumatic diseases.  1456-1458. 

mrinalini dey, bohdana doskaliuk, julius lindblom, elena nikiphorou, chris wincup, madiha fathima,sreoshy saha, syahrul sazliyana shaharir, wanruchada katchamart.  (2023).  covid-19 vaccination-related delayed adverse events among patients with systemic lupus erythematosus.  - journal of clinical medicine.  1-14. 

nefeli giannopoulou, latika gupta, laura andreoli, daniele lini , covad study group (syahrul sazliyana shaharir-refer to the supplementary material for the complete list of authors in the covad study group and their affiliations), elena nikiphorou , et al.  (2023).  covid-19 vaccine safety during pregnancy in women with systemic lupus erythematosus.  - autoimmunity reviews.  1-26. 

kshitij jagtap, r naveen , jessica day, parikshit sen , binit vaidya, arvind nune, elena nikiphorou, ai lyn tan, vishwesh agarwal, sreoshy saha, samuel katsuyuki shinjo, nelly ziade, mrudula joshi, et al (syahrul sazliyana shaharir 48).  (2023).  flares in autoimmune rheumatic diseases in the post-covid-19 vaccination period-a cross-sequential study based on covad surveys.  - rheumatology.  3838-3848. 

parikshit sen, naveen r, arvind nune, jessica day, mrudula joshi, vikas agarwal, rohit aggarwal, latika gupta, covad study group (syahrul sazliyana shaharir in supplementary file page 11).  (2023).  post-covid-19 condition in patients with autoimmune rheumatic diseases: the covid-19 vaccination in autoimmune diseases (covad) study.  - lancet rheumatology.  e247-e250. 

rozita mohd, siok-fong chin, syahrul sazliyana shaharir, and qin shi cham.  (2023).  involvement of gut microbiota in sle and lupus nephritis.  - biomedicines.  1-13. 

albert gil-vila, naveen ravichandran,albert selva-o'callaghan md, parikshit sen, arvind nune , prithvi sanjeevkumar gaur, raquel arànega gonzalez , james b. lilleker, mrudula joshi, vishwesh agarwal , sinan kardes, covad study team (syahrul sazliyana).  (2022).  covid-19 vaccination in autoimmune diseases (covad) study: vaccine safety in idiopathic inflammatory myopathies.  - muscle & nerve.  426-437. 

rajalingham sakthiswary, syahrul sazliyana shaharir, asrul abdul wahab.  (2022).  frequency and clinical significance of elevated igg4 in rheumatoid arthritis: a systematic review.  - biomedicines.  1-12. 

julia hanim jaafar, syahrul sazliyana shaharir, sakthiswary rajalingham, rozita mohd, mohd talib latif.  (2022).  impact of air pollutants on disease activity among patients with systemic lupus erythematosus (sle) in malaysia.  - annals of the rheumatic diseases.  646. 

abdul khalif adha abd talib, syahrul sazliyana shaharir, nor azian abdul murad, noraidatulakma abdullah, elena aisha azizan, abdul halim abdul gafor, ruslinda mustafar, mohd shahrir mohamed said, sakthiswary rajalingham, abdul rahmaa. jamal, zarina abdul.  (2022).  validation of the sle susceptible gene loci in the multi-ethnic malaysian systemic lupus erythematosus (sle) cohort and their associations with clinical manifestation.  - annals of the rheumatic diseases.  453. 

s. rajalingham, s. s. shaharir, h. mahadzir.  (2021).  comparative analyses of serological biomarkers and disease characteristics between elderly onset rheumatoid arthritis (eora) and younger onset rheumatoid arthritis (yora).  - annals of the rheumatic diseases.  1105. 

syahrul sazliyana shaharir, sakthiswary rajalingham, rozita mohd, najma kori, adawiyah jamil.  (2021).  herpes zoster in a multi-ethnic systemic lupus erythematosus (sle) cohort: clinical features and risk factors.  - annals of the rheumatic diseases.  611-612. 

syahrul sazliyana shaharir, ruslinda mustafar, mohd shahrir mohamed said, rahana abd rahman.  (2021).  factors associated with gestational diabetes mellitus (gdm) in a multi-ethnic systemic lupus erythematosus (sle) cohort.  - annals of the rheumatic diseases.  1177. 

syahrul sazliyana shaharir, siew huoy chua, rozita mohd, ruslinda mustafar, malehah mohd noh, nor shuhaila shahril, mohd shahrir mohamed said, sakthiswary rajalingham.  (2021).  risk factors for symptomatic avascular necrosis (avn) in a multi-ethnic systemic lupus erythematosus (sle) cohort.  - plos one.  1-11. 

siew wen goh, adawiyah jamil, norazirah md. nor, rizna abd. cader, syahrul sazliyana shaharir.  (2020).  exacerbation of systemic lupus erythematosus in a patient with concomitant chronic plaque psoriasis treated with ustekinumab.  - indian journal of dermatology, venereology and leprology.  68-70. 

syahrul sazliyana shaharir, mohd shahrir mohamed said, sakthiswary rajalingham, hazlina mahadzir, ruslinda mustafar, asrul abdul wahab.  (2020).  distinct clinical features of late-onset systemic lupus erythematosus among malaysian multi-ethnic cohort.  - annals of the rheumatic diseases.  368-369. 

s. rajalingham, s. s. shaharir, r. sridharan.  (2020).  serological predictors of the severity of rheumatoid arthritis related interstitial lung disease.  - annals of rheumatic diseases.  613. 

syahrul sazliyana shaharir, mohd shahrir mohamed said, rozita mohd, rizna abdul cader, ruslinda mustafar, rahana abdul rahman.  (2019).  predictors of sle relapse in pregnancy and post-partum among multi-ethnic patients in malaysia.  - plos one.  1-16. 

syahrul sazliyana shaharir, michelle wong heng ting, asrul abdul wahab, sakthiswary rajalingham, abdul halim abdul gafor, mohd shahrir mohamed said, ruslinda mustafar.  (2019).  a 10-year review of damage accrual and progression in a multi-ethnic cohort of systemic lupus erythematosus (sle) in malaysia.  - annals of the rheumatic diseases.  1742. 

s. rajalingham, amm nor hashimah, ss shaharir, r. sridharan, a. abdul wahab.  (2018).  serum pyridinoline is associated with radiographic joint erosions in rheumatoid arthritis.  - annals of rheumatic diseases.  . 

fakhriah abu bakar, syahrul sazliyana shaharir, mohd shahrir mohamed said, rozita mohd.  (2018).  work disability and productivity impairment among malaysian systemic lupus erythematosus patients.  - rheumatology.  . 

syahrul sazliyana shaharir, waheeda diana abdul kadir, fariz nordin, fakhriah abu bakar, adawiyah jamil, rozita mohd, asrul abdul wahab.  (2018).  more severe disease with renal and cardiovascular damage among male patients with systemic lupus erythematosus (sle) in universiti kebangsaan malaysia medical centre (ukmmc).  - internal medicine journal.  33. 

syahrul sazliyana shaharir, ding hui jen, suhaida ahmad maulana, heselynn hussein, ruslinda mustafar.  (2017).  pregnancy outcomes among malaysian patients with systemic lupus erythematosus.  - rheumatology.  179. 

endom ismail, omimah khaled jaber nofal, rajalingham sakthiswary , syahrul sazliyana shaharir, radhika sridharan.  (2016).  the clinical significance of interleukin-1 receptor antagonist +2018 polymorphism in rheumatoid arthritis.  - plos one.  e0153752. 

syahrul sazliyana shaharir, heselynn hussein, sakthiswary rajalingham, mohd shahrir mohamed said, abdul halim abdul gafor, rozita mohd, ruslinda mustafar.  (2016).  damage in the multiethnic malaysian systemic lupus erythematosus (sle) cohort: comparison with other cohortsworldwide.  - plos one.  1-14. 

shaharir s.s., ghafor a.a., said m.m., kong n.c.t..  (2014).  a descriptive study of the factors associated with damage in malaysian patients with lupus nephritis.  - lupus.  436-442. 

ss shahahir, hj ding, s rajalingam, ms mohamed said, nct kong, h hussein.  (2013).  effects of various immunosuppressants in the disease damage among patients with systemic lupus eryrhematosus (sle).  - annals of the rheumatic diseases.  72(S3):225. 

ss shaharir, r remli, aa marwan, msm said and nct kong.  (2013).  posterior reversible encephalopathy syndrome in systemic lupus erythematosus: pooled analysis of the literature reviews and report of six new cases.  - lupus.  22(5):492-496. 

sakthiswary r, syahrul sazliyana s, mohd shahrir ms, shahril ns, hussein h.  (2012).  beyond the joints in rheumatoid arthritis: effects of adalimumab on hematologic and lipid indices.  - excli journal.  11:142-149.