S. Singh, S. Gupta, R. Chaudhary, and V. Dhama, “The role of serum beta-human chorionic gonadotropin as a predictor for pregnancy induced hypertension in 12-20 weeks of pregnancy”, Int J Reprod Contracept Obstet Gynecol, vol. 12, no. 4, pp. 970–973, Mar. 2023.