STEPHEN RAJ, Aishwarya Emima Raj. Nomogram for Predicting Methotrexate Failure in Tubal Ectopic Pregnancy: Time for Prospective Validation. Orbis Journal of Medical and Health Sciences, [S. l.], v. 1, n. 2, 2026. DOI: 10.68314/f92f1e88. Disponível em: https://ojs.orbisjmhs.org/index.php/ojmhs/article/view/11. Acesso em: 3 oct. 2026.