1. Park's text book of preventive and social medicine;Park,2000
2. Role of socioeconomic factors and cytology in cervical erosion in reproductive age group women;Kulkarni;Indian J Med Sci,2002
3. Erosion of the uterine cervix; an anachronism;Chang;Aust NZJ Obstet Gynaecol,1991
4. Cervical ectopy and the transformation zone measured by computerized planimetry in adolescents;Jacobson;Int J Gynaecol Obstet,1999
5. Evidence for benefits from treating cervical ectopy: literature review;Junior;Sao Paulo Med J,2008