Affiliations Research 1998[position unknown]University Of Pennsylvania Hospital2000[position unknown]Hup Philadelphia1967Professor Of PharmacologyUniversity Of Pennsylvania1970Professor Of PharmacologyUniversity Of Pennsylvania1981[position unknown]University Of Pennsylvania 1967[subject unknown]Independent1970[subject unknown]Library Readers1981[subject unknown]Library Readers1998[subject unknown]Library Readers2000[subject unknown]Library Readers