Katrina M Wyatt, Paul W Dimmock, Peter W Jones, P M Shaughn O'Brien
Wyatt K M, Dimmock P W, Jones P W, O'Brien P M S.
Efficacy of vitamin B-6 in the treatment of premenstrual syndrome:systematic review
BMJ 1999; 318 :1375
doi:10.1136/bmj.318.7195.1375