Study to Evaluate Postoperative Analgesia in Subjects Undergoing Hemorrhoidectomy

Mount Sinai Hospital, New York

Montefiore Medical Center, The Bronx

Duke University Medical Center, Durham

CTMG, Inc. - Pitt Medical Center, Greenville

Colon and Rectal Disease Center, Orlando

West Alabama Research Inc., Birmingham

Drug Research and Analysis Corporation, Montgomery

Holston Medical Group, Kingsport

University of Louisville, Louisville

Univ. Hospitals of Cleveland, Case Medical Center, Cleveland

Indiana University - Wishard Memorial Hospital, Indianapolis

Medical Center Ambulatory Surgery Center, Houston

The Women's Hospital of Texas, Houston

Research Concepts, Ltd, Bellaire

Roland Saenz, San Antonio

Lotus Clinical Research - Huntington Memorial Hospital, Pasadena

UCSD Medical Center, San Diego

Accurate Clinical Trials, San Clemente

Multicare Health System, Tacoma

University of Illinois, Springfield