This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Pharmacology
All of the following drugs cause hirsutism EXCEPT : 
Select and explain. 
A. Phenytoin, B. Minoxidil, C. Corticosteroids, D. Heparin
D: Heparin
Answer: D: Heparin 
Explanation: None