Aziz, Muhammad Alamsyah, Chandra Garnida Syahbana, Jusuf Sulaeman Effendi, Benny Hasan Purwara, Tita Husnitawati Madjid, and Hadi Susiarno. 2024. “Vitamin D Levels and Incidence of Preterm Labor”. Majalah Kedokteran Bandung 56 (1):52-57. https://doi.org/10.15395/mkb.v56.3070.