Ekapatria C. Placental Growth Factor Level is Lower in Early-Onset Preeclampsia, while Tumor Necrosis Factor Alpha Level does not Show any Difference between Early and Late Onset Preeclampsia. Indones J Obstet Gynecol [Internet]. 2012 Oct. 23 [cited 2026 Mar. 13];36(4):181-4. Available from: https://inajog.com/index.php/journal/article/view/322