[1]
Khalef, A.T. 2026. Early In Pregnancy, Serum Activin-A Levels Can Be Used To Differentiate Between An Ectopic Pregnancy And A Normal Intrauterine Pregnancy. Adolescência e Saúde. 21, 6s (Aug. 2026), 634–639. DOI:https://doi.org/10.67440/ahj.v21i6s.1666.