“HPLC-MS/MS/Method/for/Determination/of/Betamethasone/in/Human/Plasma/With/Application/to/a/Dichorionic/Twin/Pregnancy/Pharmacokinetic/and/Placental/Transfers/Studies”. Brazilian Journal of Pharmaceutical Sciences 59 (July 10, 2023): e20314. Accessed May 8, 2024. https://revistas.usp.br/bjps/article/view/215319.