title: Subspecialty clinics require evidence of efficacy.
authors.forename: R M
authors.initials: RM
authors.lastname: Laxer
authors.forename: P M
authors.initials: PM
authors.lastname: Sherman
mesh_terms: D005767:Gastrointestinal Diseases; D006801:Humans; D008511:Medicine; D010372:Pediatrics; D011787:Quality of Health Care; D013038:Specialization