OP-1 Clinical StudiesFriedlaender, Gary E. MDThe Journal of Bone & Joint Surgery: April 2001 - Volume 83 - Issue 1_suppl_2 - p S160 Commentary Buy Author InformationAuthors Department of Orthopaedic Surgery Yale University School of Medicine New Haven, CT 06520-8071 Copyright © 2001 by The Journal of Bone and Joint Surgery, Incorporated