title: Laboratory testing in primary care.
authors.forename: R L
authors.initials: RL
authors.lastname: Hirsch
mesh_terms: D019411:Clinical Laboratory Techniques; D003951:Diagnostic Errors; D005194:Family Practice; D006801:Humans; D008329:Managed Care Programs; D011517:Prothrombin Time; D014859:Warfarin
chemical_list: D014859:Warfarin