DSOUZA, A. A.; GOPALAKRISHNA, N.; KRISHNAPPA, N. Serum β-hCG and neutrophil lymphocyte ratio in early second trimester of pregnancy and prediction of pre-eclampsia. International Journal of Reproduction, Contraception, Obstetrics and Gynecology, [S. l.], v. 15, n. 1, p. 70–75, 2025. DOI: 10.18203/2320-1770.ijrcog20254078. Disponível em: https://www.ijrcog.org/index.php/ijrcog/article/view/16318. Acesso em: 1 feb. 2026.