Cochrane Systematic Reviews 

Spironolactone versus placebo or in combination with steroids for hirsuitism and/or acne

Farquhar C, Lee O, Toomath R, Jepson R. Spironolactone versus placebo or in combination with steroids for hirsutism and/or acne. Cochrane Database of Systematic Reviews 2003, Issue 3. Art. No.: CD000194. DOI: 10.1002/14651858.CD000194

http://www.cochrane.org/reviews/en/ab000194.html to link to the abstract of this Cochrane review.