Lersbuasin, P. and Ariyawatkul, K. 2020. Prevalence of Maternal Hypovitaminosis D and Obstetric Outcomes at Chonprathan Hospital, Nonthaburi, Thailand. Thai Journal of Obstetrics and Gynaecology. 28, 3 (Jul. 2020), 167–174. DOI:https://doi.org/10.14456/tjog.2020.22.