http://www.ncbi.nlm.nih.gov:80/entrez/query.fcgi?cmd=Retrieve&db=PubMed&list_uids=11976773&dopt=Abstract
Calcif Tissue Int 2002 Jun;70(6):496-502
Spadaro JA, Bergstrom WH.
Department of Orthopedic Surgery, SUNY Upstate Medical University, Syracuse, New York 13210, USA.