*Google Patents link to Winchell Patent for Artificial Heart*Pfizer Launches New Lipitor Effort*MSNBC article on Jarvik and Pfizer*Congress Probes Doctor's Role in Drug Ad
* Google Patents link to Winchell Patent for Artificial Heart* Pfizer Launches New Lipitor Effort* MSNBC article on Jarvik and Pfizer* Congress Probes Doctor’s Role in Drug Ad