Kyaw Htin, IGARASHI Isao, KAWABUCHI Koichi. Effect of Belief and Knowledge on Betel Quid Chewing Behavior in Myanmar: Variation across Socioeconomic Status. The journal of the Stomatological Society, Japan. 2019. 86. 3. 53-70
G.M. Rabiul Islam, Isao Igarashi, Koichi Kawabuchi. Inequality and Mother’s Age as Determinants of Breastfeeding Continuation in Bangladesh. The Tohoku Journal of Experimental Medicine. 2018. 246. 1. 15-25
James Tumaini Kengia, Isao Igarashi, Koichi Kawabuchi. Effectiveness of Health Sector Reforms in Reducing Disparities in Utilization of Skilled Birth Attendants in Tanzania. The Tohoku Journal of Experimental Medicine. 2013. 230. 4. 241-253
Mohammad Touhidul Islam, Isao Igarashi, Koichi Kawabuchi. The impact of Gonoshasthaya Kendra's Micro Health Insurance plan on antenatal care among poor women in rural Bangladesh. BioScience Trends. 2012. 6. 4. 165-175