Embarazo ectópico cervical tratado con metotrexate. Estudio de un caso. Hospital materno infantil reina Sofía. Journal on studies and research of academic knowledge, Itapúa, PY, n. 9, p. 34–37, 2015. DOI: 10.70833/rseisa9item135. Disponível em: https://revistas.uni.edu.py/index.php/rseisa/article/view/135. Acesso em: 21 oct. 2025.