Sleep medicine.
D002983:Clinical Competence; D003406:Credentialing; D004501:Education, Medical; D006801:Humans; D007591:Joint Commission on Accreditation of Healthcare Organizations; D008504:Medical Staff Privileges; D008511:Medicine / Q000592:standards; D017286:Polysomnography / Q000592:standards*; D012893:Sleep Wake Disorders; D012955:Societies, Medical; D013038:Specialization; D014481:United States