title: Pittsburgh tonsillectomy and adenoidectomy study: differences from earlier studies and problems of execution.
mesh_terms: D000233:Adenoidectomy / Q000379:methods; D000234:Adenoids; D002648:Child; D003937:Diagnosis, Differential; D004427:Ear Diseases / Q000150:complications; D004432:Ear, Middle; D005500:Follow-Up Studies; D006801:Humans; D008206:Lymphatic Diseases / Q000150:complications / Q000175:diagnosis / Q000601:surgery; D008487:Medical History Taking; D008499:Medical Records; D014066:Palatine Tonsil; D010414:Pennsylvania; D011446:Prospective Studies; D013997:Time Factors; D014068:Tonsillectomy / Q000379:methods