Phupong, Vorapong, Patau Tanbirojn, and Ruangsak Lertkhachonsuk. “Serum Angiopoietin-1/Angiopoietin-2 at 16-18 Weeks of Gestation to Predict Preeclampsia”. Journal of Health Science and Medical Research 39, no. 5 (March 15, 2022): 373–379. Accessed May 5, 2024. https://he01.tci-thaijo.org/index.php/jhsmr/article/view/255273.