Bhattacharya, A. K., H. K. Sarma, and A. Das. “Comparison of Efficacy of Visual Inspection With 4% Acetic Acid, Visual Inspection With Lugol’s Iodine, Pap Smear and Colposcopy in Screening Cervical Precancerous Lesions”. International Journal of Reproduction, Contraception, Obstetrics and Gynecology, vol. 11, no. 2, Jan. 2022, pp. 449-54, doi:10.18203/2320-1770.ijrcog20220168.