[1] VET ADM MED CTR,PHILADELPHIA,PA 19104
[2] VET ADM MED CTR,HINES,IL
[3] VET ADM MED CTR,SAN ANTONIO,TX
[4] UNIV PENN,SCH MED,DEPT SURG,PHILADELPHIA,PA 19104
[5] UNIV PENN,SCH MED,DEPT MED,PHILADELPHIA,PA 19104
[6] UNIV PENN,LEONARD DAVIS INST HLTH ECON,PHILADELPHIA,PA 19104
[7] COOPERAT STUDIES CLIN RES PHARM COORDINATING CTR,ALBUQUERQUE,NM
[8] MED COLL PENN,PHILADELPHIA,PA 19129
[9] UNIV TEXAS,HLTH SCI CTR,SAN ANTONIO,TX 78284
[10] LOYOLA UNIV,STRITCH SCH MED,CHICAGO,IL 60611
[11] VET ADM COOPERAT STUDIES PROGRAM COORDINATING CTR,PERRY POINT,MD