R. L. Mallick, C. P. Gaire, P. Dahal, and N. Kafle, “Analysis of mid-trimester maternal serum β-hCG and AFP as markers of preterm and term adverse pregnancy outcomes form a tertiary care hospital, Morang, Nepal”, J. Biomed. Sci., vol. 10, no. 1, pp. 11–15, Jun. 2023.