Company:  PHARMASSET INC
Form Type:  EFFECT
Filing Date:  1/19/2012 
CIK:  0001301081 
Address:  303-A College Road East 
City, State, Zip:  Princeton, New Jersey 08540 
Telephone:  (609) 613-4100 
Fiscal Year:  09/30 
Description of Business
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  FORM EFFECT