syamsa rizal abdullah, baharudin omar, santhana raj louis, faridah mohd nor, hidayatulfathi othman, shahrom abd wahid.  (2019).  sticky puparium: a special characteristic of muscid fly synthesiomyia nudiseta (wulp) (diptera: muscidae) immature stage.  - international medical journal.  434-435. 

ahmad azri mohamad, syamsa rizal abdullah, ahmad firdaus mohd salleh, aishah hani azil.  (2019).  a comparison of different types of ovitraps for outdoor monitoring of aedes mosquitoes in kuala lumpur.  - tropical biomedicine.  335-347. 

samseh abdullah noradilah, norhayati moktar, tengku shahrul anuar, ii li lee, fatmah md salleh, siti nor azreen abdul manap, noor shazleen husnie mohd mohtar, syed muhamad azrul, wan omar abdullah, anisah nordin and syamsa rizal abdullah.  (2017).  molecular epidemiology of blastocystosis in malaysia: does seasonal variation play an important role in determining the distribution and risk factors of blastocystis subtype infections in the aborigin.  - parasites & vectors.  1-12. 

samseh abdullah noradilah, tengku shahrul anuar, norhayati moktar,ii li lee, fatmah md salleh, siti nor azreen abdul manap,noor shazleen husnie mohd mohtar, syed muhamad azrul, wan omar abdullah,anisah nordin and syamsa rizal abdullah.  (2017).  molecular epidemiology of blastocystis sp in animals reared by the aborigines during wet and dry seasons in rural communities, pahang, malaysia.  - southeast asian journal of tropical medicine and public health.  1151-1160. 

syamsa rizal abdullah, baharudin omar, ahmad firdaus mohd salleh, hidayatulfathi othman, shahrom abd wahid.  (2017).  comparative fly species composition on indoor and outdoor forensic cases in malaysia.  - journal of forensic and legal medicine.  41-46. 

syamsa rizal abdullah, baharudin omar, ahmad firdaus mohd salleh, mohamed abdullah marwi, hidayatulfathi othman, shahrom abd. wahid.  (2016).  fly colonization and carcass decomposition in a high-rise building in malaysia.  - international medical journal.  94-99. 

syamsa ra, omar b, zuha rm, faridah mn, swarhib ms, hidayatulfathi o, and shahrom aw.  (2015).  forensic entomology of high rise buildings in malaysia: three case reports.  - tropical biomedicine.  291-299. 

faridah mohd nor, syamsa rizal abdullah, srijit das.  (2015).  establishing a minimum post mortem interval of human remains in an advanced state of skeletonisation.  - international medical journal.  506-508. 

ahmad firdaus mohd salleh, mohamed abdullah marwi, syamsa rizal abdullah, aishah hani azil, baharudin omar.  (2014).  pengaruh suhu terhadap perkembangan lalat berkepentingan forensik chrysomya villeneuvi patton (diptera: calliphoridae).  - sains malaysiana.  1537-1542. 

rosilawati, r., baharudin, o., syamsa, r.a., lee, h.l., nazni, w.a..  (2014).  effects of preservatives and killing methods on morphological features of a forensic fly, chrysomya megacephala (fabricius, 1794) larva.  - tropical biomedicine.  785-791. 

syamsa r.a., ahmad f.m.s., zuha r.m., khairul a.z, marwi, m.a., shahrom, a.w. and omar, b..  (2012).  an occurrence of synthesiomyia nudiseta (wulp) (diptera: muscidae) from a human corpse in a high-rise building in malaysia: a case report.  - tropical biomedicine.  29(1):107-112. 

noor hayati mohd isa, loh wai loong, gee hui fang, abdul malek mohamad, nurasilah razali, nurizzati rani, siti nor azreen abd manap, syamsa rizal abdullah.  (2011).  demodicosis among university medical students in malaysia and the effects of facial cleanser and moisturizer usage.  - southeast asian journal of tropical medicine and public health.  42(6):1375-1380. 

r a syamsa, f m s ahmad, m a marwi, r m zuha, b omar.  (2010).  an analysis of forensic entomological specimens by universiti kebangsaan malaysia.  - medical journal of malaysia.  65(3):185-188. 

ahmad firdaus, m. s., marwi, m.a., syamsa r. a., zuha, r. m., ikhwan, z. & omar, b..  (2010).  morphological descriptions of second and third instar larvae of hypopygiopsis violacea macquart (diptera: calliphoridae), a forensically important fly in malaysia.  - tropical biomedicine.  27(1):134-137. 

zuha, rm; kurahashi, h; chin, hc; osman, k; rashid, ra; abu hassan, r; abdullah, sr; salleh, afm; marwi, ma; omar, b.  (2009).  myospila pudica pudica (stein, 1915) (diptera: muscidae) in peninsular malaysia and its ocurrence on a monkey carrion.  - tropical biomedicine.  26(2):216-218.