1. Pathophysiology of dysmenorrhea;Akerland;Acta Obstet Gynecol,1979
2. Menstrual pain: its origin and pathogenesis;Rosenwaks;J Reprod Med,1980
3. Markers of adult endometriosis detectable in adolescence;Chapron;J Pediatr Adolesc Gynecol,2011
4. The prevalence of dysmenorrhea, dyspareunia, pelvic pain, and irritable bowel syndrome in primary care practices;Jamieson;Obstet Gynecol,1996
5. A prevalence study of dysmenorrhoea in female residents aged 15-54 years in Clementi Town, Singapore;Ng;Ann Acad Med Singapore,1992