Naim Syahidah Zulkafli, Suria Hayati Md Pauzi, Asmazila Baharum, Mohamad Nasir Shafiee, Mohd Rizal Abdul Manaf, Sharifah Noor Akmal S.H. Shahabudin, Nurismah Md Isa.  (2021).  High risk-HPV DNA test and association with cyto-histopathological finding of cervical neoplasia: An audit study.  - Malaysian Journal of Pathology.  466. 

Muhammad Adam Adman, Jamal Hisham Hashim, Mohd Rizal Abdul Manaf, Dan Norback.  (2020).  Associations between air pollutants and peak expiratory flow and fractional exhaled nitric oxide in students.  - International Journal of Tuberculosis and Lung Disease.  189-195. 

Shahrir, SN, Abdul Manaf, MR, Mustapha, FI, Md. Isa, Z.  (2019).  Critical review on dietary sodium reduction policies in Malaysia.  - International Food Research Journal.  33-40. 

Shaanthana Subramaniam, Chin-Yi Chan, Ima-Nirwana Soelaiman, Norazlina Mohamed, Norliza Muhammad, Fairus Ahmad, Mohd Rizal Abd Manaf, Pei-Yuen Ng, Nor Aini Jamil, Kok-Yong Chin.  (2019).  Prevalence and predictors of osteoporosis among the chinese population in Klang Valley, Malaysia.  - Applied Sciences.  1-11. 

Hirman Ismail, Mohd Rizal Abdul Manaf, Abdul Halim Abdul Gafor, Zaki Morad Mohamad Zaher, Adriana Irawati Nur Ibrahim.  (2019).  Economic burden of ESRD to the Malaysian health care system.  - Kidney International Reports.  1261-1270. 

Hirman Ismail, Mohd Rizal Abdul Manaf, Abdul Halim Abdul Gafor, Zaki Morad Mohamad Zaher, Adriana Irawati Nur Ibrahim.  (2019).  International comparisons of economic burden of end stage renal disease to the national healthcare systems.  - International Medical Journal of Malaysia.  188-196. 

Mohamed, Norazlina, Chin Yi, Chan, Soelaiman Ima-Nirwana, Kok Yong, Chin, Subramaniam, Shaanthana, Muhammad, Norliza, Ahmad, Fairus, Abd Manaf, Mohd Rizal, Pei Yuen, Ng, Jamil, Nor Aini.  (2018).  Osteoporosis among Middle-aged and Elderly Population in Klang Valley, Malaysia: Knowledge, Belief and Practices.  - Medicine and Health.  . 

Dayang Anita Abdul Aziz, Marjmin Osman, Felicia Lim, Rufina Teo, Zarina Abdul Latiff, Rizal Abdul Manaf.  (2018).  External squeeze test during pediatric laparoscopic hernia repair: a novel on-table assessment to ensure complete closure of patent processus vaginalis.  - Open Access Surgery.  1-3. 

Nurul Iftida Basri, Zaleha Abdullah Mahdy, Shuhaila Ahmad, Abdul Kadir Abdul Karim, Lim Pei Shan, Mohd Rizal Abdul Manaf, Nor Azlin Mohd Ismail..  (2018).  The World Health Organization (WHO) versus The International Association of Diabetes and Pregnancy Study Group (IADPSG) diagnostic criteria of gestational diabetes mellitus (GDM) and their associated.  - Hormone Molecular Biology and Clinical Investigation.  . 

Mohd Shaiful Azlan, Mohd Rizal Abdul Manaf, Noor Safiza Mohamad Nor, Rashidah Ambak.  (2017).  Effects Of Lifestyle Intervention Towards Obesity And Blood Pressure Among Housewives In Klang Valley: A Quasi-Experimental Study.  - Malaysian Journal of Medical Sciences.  83-91. 

Anisah Omar, Osman Che Bakar, Nor Fatini Adam, Hakim Osman, Arina Osman, Ahmad Hatim Suleiman, Mohd Rizal Abdul Manaf & Mohd Ikhsan Selamat.  (2015).  Seropositivity and serointensity of toxoplasma gondii antibodies and DNA among patients with schizophrenia.  - Korean Journal of Parasitology.  29-34. 

Yoganathan Kanaheswari and Abdul Manaf Mohd Rizal.  (2015).  Renal scarring and chronic kidney disease in children with spina bifida in a multidisciplinary Malaysian centre.  - Journal of Paediatrics and Child Health.  1175-1181. 

C.C.K. Ho, K.S. Ngoo, A.H Hamzaini, A.M.M. Rizal, M.Z. Zulkifli.  (2014).  Urinary bladder characteristics via ultrasound as predictors of acute urinary retention in men with benign prostatic hyperplasia.  - Clinica Terapeutica.  165(2):. 

Ariff Fadzil, Kartini Balakrishnan, Rosdinom Razali, Hatta Sidi, Thinakaran Malapan, Robert Peter Japaraj, Marhani Midin, Nik Ruzyanei Nik Jaafar, Srijit Das & Mohd Rizal Abdul Manaf.  (2013).  Risk factors for depression and anxiety among pregnant women in Hospital Tuanku Bainun, Ipoh, Malaysia.  - Asia-Pacific Psychiatry.  5(S1):7-13. 

Christopher Chee Kong Ho, Poh Keat Seong, Zulkifli Md Zainuddin, Mohd Rizal Abdul Manaf, Muhilan Parameswaran, Azad HA Razack.  (2013).  Retrospective study of predictors of bone metastasis in prostate cancer cases.  - Asian Pacific Journal of Cancer Prevention.  14(5):2203-2206. 

Ali MF, Aziz NA, Aznida FAA, Rizal AM, Azmin S.  (2013).  Prospective study of functional recovery of stroke patients at three months post admission: Outcomes and implications for post stroke care provision.  - Medicine & Health.  19-27. 

Sharifa Ezat Wan Puteh, Natrah Mohd. Saad, Syed Mohd Aljunid, Mohd Rizal Abdul Manaf, Saperi Sulong, Ismail Sagap, Fuad Ismail and Muhd Azrif Muhammad Annuar.  (2013).  Quality of life in Malaysian colorectal cancer patients.  - Asia-Pacific Psychiatry.  5(S1):110-117. 

Sami Abdo Radman Al-Dubai, Kurubaran Ganasegeran, Aied M Alabsi, Mohd Rizal Abdul Manaf, Sharea Ijaz, Saba Kassim.  (2012).  Exploration of barriers to breast-self examination among urban women in Shah Alam, Malaysia: A cross sectional study.  - Asian Pacific Journal of Cancer Prevention.  13(4):1627-1632. 

MS Natrah, Sharifa WP Ezat, MA Syed, AM Mohd Rizal, S Saperi.  (2012).  Quality of life in Malaysian colorectal cancer patients: A preliminary result.  - Asian Pacific Journal of Cancer Prevention.  13(3):957-962. 

Alfizah H, Rizal AM, Isa MR, Aminudin A, Jasmi AY, Ramelah M.  (2010).  Four years analysis of Helicobacter pylori infection among patients with dyspeptic at Universiti Kebangsaan Malaysia Medical Centre.  - Medicine & Health.  13-21. 

Hamidah A, Rizal A M, Nordiah A J, Jamal R.  (2008).  Piperacillin-tazobactam plus amikacin as an empirical therapy of febrile neutropenia in paediatric cancer patients.  - Singapore Medical Journal.  49(1):26-30. 

Rohana Abdul Ghani, Soehardy Zainudin, Norella CT Kong, Ahmad Fauzi Abdul Rahman, Syed Rozaidi Wafa Syed Hussain Wafa, Marlyn Mohamad, Mohd Rizal Abdul Manaf, and Rahimah Ismail.  (2006).  Serum IL-6 and IL-1-Ra with sequential organ failure assessment scores in septic patients receiving high-volume haemofiltration and continuous venovenous haemofiltration.  - Nephrology.  11(5):386-393. 

Tan HJ., Rizal AM., Rosmadi MY. & Goh KL.  (2006).  Role of Helicobacter pylori virulence factor and genotypes in non-ulcer dyspepsia.  - Journal of Gastroenterology & Hepatology.  21(1):110-115. 

Tan HJ, Rizal AM, Rosmadi MY, Goh KL..  (2005).  Distribution of Helicobacter pylori cagA, cagE and vacA in different ethnic groups in Kuala Lumpur, Malaysia.  - Journal of Gastroenterology and Hepatology.  20(4) : 589-594. 

Tan SMK., Shafiee Z., Wu LL., Rizal AM. & Rey JM.  (2005).  Factors associated with control of type I diabetes in Malaysian adolescents and young adults.  - International Journal of Psychiatry in Medicine.  35(2):123-136. 

Nabil I, Hamidon B, Rizal AM, Raymond AA.  (2005).  Risk factors and outcome of dysphagia after an acute ischaemic stroke.  - Journal of the Neurological Sciences.  283(S1):S402.