HOMKRUN, P. Day 4 beta-hCG changing for predict the response of methotrexate treatment in ectopic pregnancy. Health Science Clinical Research, Uttaradit, Thailand, v. 39, n. 1, p. 60–67, 2024. DOI: 10.1016/hscr.v39i1.267987. Disponível em: https://he02.tci-thaijo.org/index.php/hscr/article/view/267987. Acesso em: 16 sep. 2026.