Pariyaeksut, Pimchanok, Tripop lertbunnaphong, Jarunee Leetheeragul, and Dittakarn Boriboonhirunsarn. “A Correlation between First-void Morning Urinary Protein to Creatinine Ratio (UPCR) and 24 Hours Urinary Protein in Pregnancy with Suspected Preeclampsia”. Thai Journal of Obstetrics and Gynaecology 22, no. 4 (December 17, 2014): 173–180. accessed September 26, 2026. https://he02.tci-thaijo.org/index.php/tjog/article/view/21144.