Oktafandi, Hubertus Okky, Nita Ratna Dewanti, Husni A Tanra, Ilham Jaya Patellongi, and Maisuri Chalid. “Effect of Intrathecal Labor Analgesia (ILA) in Normal Labor Study on the Dynamics of Pain Intensity and Level of Prostaglandin (PGE2) Maternal Plasma”. International Journal of Sciences: Basic and Applied Research (IJSBAR) 26, no. 3 (April 25, 2016): 88–100. Accessed May 4, 2024. https://www.gssrr.org/index.php/JournalOfBasicAndApplied/article/view/5550.