Siriwipat A. Outcome of Down Syndrome Screening Using Quadruple Test at Phatthalung Hospital. Reg11MedJ [internet]. 2023 Jun. 28 [cited 2026 Sep. 20];37(2):34-46. available from: https://he02.tci-thaijo.org/index.php/Reg11MedJ/article/view/259857