Clinical efficacy and safety of cyproterone acetate in severe hirsutism: results of a multicentered Canadian study**Sponsored by the Canadian Fertility Research Association and funded by a grant-in-aid from Berlen Laboratories Limited, Canada.††The following collaborators participated in this study: Peter Garner, M.D., University of Ottawa; Barbara Cruckshank, M.D., University of Western Ontario; Youssef Ainmelk, M.D., University of Sherbrooke; Togas Tulandi, M.D., McGill University; Nacia Faure, M.D., Laval University; Arthur Leader, M.D., University of Calgary; Timothy Rowe, M.D., University of British Columbia; and Jerald Bain, M.D., University of Toronto.