Piyamongkol, Wirawit, and Sirivipa Piyamongkol. 2023. “Pre-implantation Genetic Testing for Monogenic Disorders at Chiang Mai University : 20 Years Experience”. Thai Journal of Obstetrics and Gynaecology 31 (4). Bangkok, Thailand:236-47. https://doi.org/10.14456/tjog.2023.28.