The evolution of intensive care units.
D006348:Cardiac Surgical Procedures; D003325:Coronary Care Units / Q000266:history; D005060:Europe; D049672:History, 19th Century; D049673:History, 20th Century; D006801:Humans; D007231:Infant, Newborn; D007362:Intensive Care Units / Q000266:history*; D011182:Postoperative Care; D011997:Recovery Room / Q000266:history; D012124:Respiratory Care Units / Q000266:history; D014481:United States