Herman S, Santoso B, Djoewono HT. DIFFERENCES OF MATERNAL SOCIODEMOGRAPHIC CHARACTERISTICS WITH SPONTANEOUS PRETERM BIRTH AMONG HOSPITALS IN INDONESIA: A COMPARATIVE STUDY. Public Health of Indonesia [Internet]. 2018 Dec. 22 [cited 2024 May 4];4(4):146-53. Available from: https://stikbar.org/ycabpublisher/index.php/PHI/article/view/215