Cochrane Systematic Reviews
Progesterone for premenstrual syndrome
Ford O, Lethaby A, Roberts H, Mol BWJ. Progesterone for premenstrual syndrome. Cochrane Database of Systematic Reviews 2012, Issue 3. Art. No.: CD003415. DOI: 10.1002/14651858.CD003415.pub4
http://www.cochrane.org/reviews/en/ab003415.html to link to the abstract of this Cochrane review.
Content assessed as up-to-date 13 February 2011