http://www.smartgroups.com/message/readmessage.cfm?gid=1423922&messageid=3311 For more info on Propecia, your vets can look in the PDR under Proscar. Yes, it has the same ingredient as Propecia. The second source is JAVMA April 15, 2001 page 1275-1280. There is also a good article in The Prostate 24:93-100 (1994). Hope that helps, Jerry Murray, DVM Dallas, Texas [Posted in FML issue 4063]