Forced-air warming and ultra-clean ventilation do not mix: an investigation of theatre ventilation, patient warming and joint replacement infection in orthopaedics.
McGovern PD, Albrecht M, Belani KG, Nachtsheim C, Partington PF, Carluke I, Reed MR.
J Bone Joint Surg Br. 2011 Nov;93(11):1537-44.
http://web.jbjs.org.uk/content/93-B/11/1537.abstract