SUSAN ZWYEA, K. S. S. S. K. A. A. A. A Comparative Study between Transabdominal and Transvaginal Ultrasound Techniques in Early Detection of Ectopic Pregnancy. Annals of the Romanian Society for Cell Biology, [S. l.], p. 16128–16136, 2021. Disponível em: http://annalsofrscb.ro/index.php/journal/article/view/5354. Acesso em: 16 sep. 2025.