Research keywords (8):
Operating room air conditioning
, Environmental air in the operating rooms
, Medical economics
, Operative medicine
, Electronic anesthesia record
, Preoperative smoking cessation
, Waste anesthetic gases
, Airway smooth muscle
Japanese Association for Operative Medicine
, Japan Society of Pain Clinicians
, American Society of Anesthesiologists
, Japan Society for Clinical Anesthesia
, Japanese Society of Anesthesiologists