Buala, Onanong, Somsak Suthutvoravut, Sanya Patrachai, and Vachira Singhakajen. “Factors Associated with Urinary Problems among Postpartum Women at Siriraj Hospital”. Research Medical Journal 32, no. 3 (September 25, 2009): 128–136. accessed September 20, 2026. https://he02.tci-thaijo.org/index.php/ramajournal/article/view/175387.