1. Pathophysiology of dysmenorrhea;Akerlund;Acta Obstet Gynaecol Scand,1979
2. Calcium antagonists and dysmenorrhea;Andersson;Ann N Y Acad Sci,1988
3. Effects of Peikun capsule on the uterus;Cao;J Xian Jiao Tong University (Med Sci),2002
4. Effects of nourishing Yin and supplementing kidney of Peikun capsule;Cao;Chin Tradit Patent Med,2001
5. Dysfunctional uterine bleeding and dysmenorrhea;Coll Capdevila;Eur J Contracept Reprod Health Care,1997