EHIAGHE AF, D.E. A, I.J E, M.I O. ELEVATION OF β HUMAN CHORIONIC GONADOTROPIN HORMONE AND FIBRINOGEN CONCENTRATION AS AN IMMUNOPROTECTIVE MECHANISM DURING PREGNANCY. JAB [Internet]. 2014 Feb. 1 [cited 2024 Apr. 29];3(3):253-6. Available from: https://rajpub.com/index.php/jab/article/view/1931