title: Challenges facing clinical research.
authors.affiliation: Emory University Hospital, Atlanta, GA 30322, USA. william_wood@emory.org
authors.forename: W C
authors.initials: WC
authors.lastname: Wood
mesh_terms: D015982:Bias; D002986:Clinical Trials as Topic / Q000592:standards*; D006801:Humans; D008495:Medical Oncology / Q000639:trends; D012107:Research Design / Q000592:standards*