The open door in the operating room.
D000162:Acoustics; D000388:Air; D000391:Air Microbiology; D000392:Air Movements; D001108:Architecture; D006749:Hospital Design and Construction; D009622:Noise / Q000517:prevention & control; D009873:Operating Rooms / Q000592:standards*; D013696:Temperature; D014691:Ventilation