Chatha, Nayab Afzal, et al. “ASSOCIATION OF HUMAN CHORIONIC GONADOTROPHIN WITH PREGNANCY INDUCED HYPERTENSION: Beta HCG and Pregnancy Induced Hypertension”. Pakistan Armed Forces Medical Journal, vol. 70, no. 6, Dec. 2020, pp. 1712-16, https://doi.org/10.51253/pafmj.v70i6.3452.