Posri K. Comparison of implantation and pregnancy rate of cleavage and blastocyst embryos transfer in women infertility. TUHJ [internet]. 2016 Aug. 31 [cited 2025 Apr. 9];1(2):25-34. available from: https://he02.tci-thaijo.org/index.php/TUHJ/article/view/240192