1. Dysmenorrhea and prostaglandins;Dawood,1987
2. What we know about primary dysmenorrhea today: a critical review;Iacovides;Hum Reprod Update,2015
3. Dysmenorrhea in adolescents;Harel;Ann N Y Acad Sci,2008
4. Dysmenorrhea;Hofmeyr,1996
5. Transcutaneous electrical nerve stimulation and acupuncture for primary dysmenorrhoea;Proctor;Cochrane Database Syst Rev,2002