Swarnali Biswas, Mallika Sengupta, Debdatta Ghosh and Rajesh De 2024. Induction of abortion in the first trimester of pregnancy using letrozole and misoprostol combination versus misoprostol alone - A comparative observational study. Asian Journal of Medical Sciences. 15, 1 (Jan. 2024), 94–101. DOI:https://doi.org/10.3126/ajms.v15i1.58935.