title: Clinical trial issues in studies of chronic rejection.
authors.affiliation: McGill University, Montreal, Canada.
authors.forename: R D
authors.initials: RD
authors.lastname: Guttman
mesh_terms: D002908:Chronic Disease; D002986:Clinical Trials as Topic / Q000592:standards; D004992:Ethics, Medical; D006084:Graft Rejection / Q000517:prevention & control*; D006801:Humans; D008004:Licensure; D012107:Research Design