TY - BOOK TI - Myanmar health sciences research journal. volume 31, number 2, August 2019 SN - 1015-0781 PY - 2019/// CY - Yangon PB - Department of Medical Research, Ministry of Health and Sports, Myanmar N1 - Vol 31, No. 2, August 2019 UR - www.myanmarhsrj.com ER -