title: Controlling the independent variables in the clinical study of prayer: the devil is in the details.
authors.forename: Eric J
authors.initials: EJ
authors.lastname: Burks
mesh_terms: D002986:Clinical Trials as Topic / Q000379:methods*; D003325:Coronary Care Units; D003327:Coronary Disease / Q000628:therapy*; D029221:Faith Healing; D006801:Humans