[Current status and problem of RCU (author's transl)].
D006801:Humans; D007223:Infant; D007362:Intensive Care Units; D008875:Middle Aged; D008991:Monitoring, Physiologic; D011182:Postoperative Care; D012119:Respiration; D012124:Respiratory Care Units / Q000458:organization & administration / Q000639:trends; D012131:Respiratory Insufficiency / Q000628:therapy