Gupta, V., A. Tandon, A. Nanda, A. Sharma, and N. Bansal. “Colposcopic Evaluation of Cervical Lesions: A Prospective Study”. International Journal of Clinical Trials, vol. 1, no. 3, Nov. 2014, pp. 110-3, doi:10.5455/2349-3259.ijct20141105.