Lertkovit, Saranya, and Patchareya Nivatpumin. 2022. “Tet Spells in a Parturient Woman with Uncorrected Tetralogy of Fallot Undergoing Cesarean Delivery”. Journal of Health Science and Medical Research 39 (6):509-15. https://doi.org/10.31584/jhsmr.2021801.