Regionalization for respiratory care.
D002140:California; D002170:Canada; D003120:Colorado; D003153:Community Health Services; D005260:Female; D006077:Government Agencies; D006275:Health Facility Planning; D006764:Hospitals, Community; D006801:Humans; D007224:Infant Care; D007226:Infant Mortality; D007231:Infant, Newborn; D007232:Infant, Newborn, Diseases / Q000628:therapy*; D007362:Intensive Care Units; D008404:Massachusetts; D008427:Maternal Health Services; D011247:Pregnancy; D011295:Prenatal Care; D012140:Respiratory Tract Diseases / Q000628:therapy*; D014187:Transportation of Patients; D014481:United States; D014589:Utah