kai shen ooi, muhammad irfan abdul jalal, jing yuan wong, minn yin choo, nurul afifah kamruldzaman, chuan way lye, lucy chai see lum.  (2023).  the prevalence and determinants of child hunger and its associations with early childhood nutritional status among urban poverty households during covid-19 pandemic in petaling district, malaysia: an exploratory cross-sectional survey.  - nutrients.  1-22. 

jun xin lee, wei keong chieng, muhammad irfan abdul jalal, chai eng tan, sie chong doris lau.  (2022).  role of serum ferritin in predicting outcomes of covid-19 infection among sickle cell disease patients: a systematic review and meta-analysis.  - frontiers in medicine.  1-8. 

wei keong chieng, muhammad irfan abdul jalal, jashveerdeep singh bedi, ani amelia zainuddin, mohd helmy mokhtar, muhammad azrai abu, kah teik chew and abdul ghani nur azurah.  (2022).  probiotics, a promising therapy to reduce the recurrence of bacterial vaginosis in women? a systematic review and meta-analysis of randomized controlled trials.  - frontiers in nutrition.  1-12. 

muhammad irfan abdul jalal, kai shen ooi, kai cheong foo, azrul azlan hamzah, chee seong goh, chang fu dee, poh choon ooi, muhamad ramdzan buyong, teck yew low, xin yun chua, doris sie chong lau, zarina abdul latiff and fook choe cheah.  (2022).  transdermal maltose-based microneedle patch as adjunct to enhance topical anesthetic before intravenous cannulation of pediatric thalassemic patients receiving blood transfusion: a randomized controlled trial protocol.  - journal of clinical medicine.  1-16. 

crystal c. wang, muhammad irfan abdul jalal, zhi liang song, yik pheng teo, chin aun tan, kai voon heng, michelle siu yee low, azriyanti anuar zaini, lucy chai see lum.  (2022).  a randomized pilot trial of micronutrient supplementation for under-5 children in an urban low-cost flat community in malaysia: a framework for community-based research integration.  - international journal of environmental research and public health.  1-21. 

kai shen ooi, muhammad irfan abdul jalal, jing yuan wong, minn yin choo, nurul afifah kamruldzaman, chuan way lye, lucy chai see lum.  (2023).  the prevalence and determinants of child hunger and its associations with early childhood nutritional status among urban poverty households during covid-19 pandemic in petaling district, malaysia: an exploratory cross-sectional survey.  - nutrients.  1-22. 

jun xin lee, wei keong chieng, muhammad irfan abdul jalal, chai eng tan, sie chong doris lau.  (2022).  role of serum ferritin in predicting outcomes of covid-19 infection among sickle cell disease patients: a systematic review and meta-analysis.  - frontiers in medicine.  1-8. 

wei keong chieng, muhammad irfan abdul jalal, jashveerdeep singh bedi, ani amelia zainuddin, mohd helmy mokhtar, muhammad azrai abu, kah teik chew and abdul ghani nur azurah.  (2022).  probiotics, a promising therapy to reduce the recurrence of bacterial vaginosis in women? a systematic review and meta-analysis of randomized controlled trials.  - frontiers in nutrition.  1-12. 

muhammad irfan abdul jalal, kai shen ooi, kai cheong foo, azrul azlan hamzah, chee seong goh, chang fu dee, poh choon ooi, muhamad ramdzan buyong, teck yew low, xin yun chua, doris sie chong lau, zarina abdul latiff and fook choe cheah.  (2022).  transdermal maltose-based microneedle patch as adjunct to enhance topical anesthetic before intravenous cannulation of pediatric thalassemic patients receiving blood transfusion: a randomized controlled trial protocol.  - journal of clinical medicine.  1-16. 

crystal c. wang, muhammad irfan abdul jalal, zhi liang song, yik pheng teo, chin aun tan, kai voon heng, michelle siu yee low, azriyanti anuar zaini, lucy chai see lum.  (2022).  a randomized pilot trial of micronutrient supplementation for under-5 children in an urban low-cost flat community in malaysia: a framework for community-based research integration.  - international journal of environmental research and public health.  1-21. 

nurul akmal mohamed, nur syarafina mohamed, noratikah abu, hannuun eadiela yaacob, nurul farihan mohamed, shazlyn milleana shaharudin, muhammad irfan abdul jalal, nur atikah salahudin, muhammad safwan ibrahim, siti zanariah satari, hafizah farhan saipan.  (2021).  malaysian research and development classification system, 7th edition.  - .  274. 

ying-xian goh, muhammad redha bin abdullah zawawi, muhammad irfan abdul jalal, aisyatul najihah binti khuzaimi, joan blin dan keasyikan a/l s. selvaraju.  (2023).  analitis data raya dalam bidang biologi dan perubatan: peranan biostatistik & bioinformatik.  - .  1-2. 

ayesha mohd zain, muhammad irfan abdul jalal, mae-lynn catherine bastion, xiang ting khor, mushawiahti mustapha, navin naidu.  (2022).  evaluating the relationships between visual acuity and 3-month central subfield thickness status among diabetic macular edema eyes in a malaysian university: a pragmatic real-world analysis.  - the 15th asia-pacific vitreo-retina society (apvrs) congress.  102-103. 

muhammad irfan abdul jalal.  (2022).  the futility of null hypothesis signficance testing (nhst): pillorying the indefensible.  - .  1. 

ayesha mohd zain, muhammad irfan abdul jalal, mae-lynn catherine bastion, mushawiahti mustapha, navin naidu, khor xiang ting.  (2022).  evaluating central subfield thickness status and relationship between visual acuity and injections among diabetic macular edema eyes in a malaysian university: a pragmatic real-world analysis.  - the 15th asia-pacific vitreo-retina society (apvrs) congress.  102. 

nurul syakima ab mutalib, noraidatulakma abdullah, muhammad irfan abdul jalal, su-boon chua, ching-yee lau, wei-kang lee, low teck yew et. al.  (2021).  webinar: molecular medicine in the era of digitalization and data analytics.  - .  1.