title: Phases in a drug's use.
authors.forename: J
authors.initials: J
authors.lastname: Duffin
mesh_terms: D016026:Bone Marrow Transplantation; D002170:Canada; D004363:Drug Utilization; D006086:Graft vs Host Disease / Q000517:prevention & control*; D006801:Humans; D013792:Thalidomide / Q000627:therapeutic use*
chemical_list: D013792:Thalidomide