เอี่ยมสำอางค์ วรลักษณ์. “Use of Paracetamol to Minimize Pain During Second Trimester Amniocentesis: A Randomized Controlled Trial”. Lampang Medical Journal 36, no. 2 (December 30, 2015): 47–53. Accessed May 13, 2024. https://he01.tci-thaijo.org/index.php/LMJ/article/view/186369.