title: Beware of changes in your closed drainage system.
authors.affiliation: Specialist Registrar in Oral and Maxillofacial Surgery, Department of Oral and Maxillofacial Surgery, The Queen Victoria Hospital NHS Foundation Trust, Holtye Road, East Grinstead, West Sussex RH19 3DZ, UK. malcolm.cameron@virgin.net
authors.forename: Malcolm G
authors.initials: MG
authors.lastname: Cameron
authors.forename: Prakash A
authors.initials: PA
authors.lastname: Promod
mesh_terms: D004867:Equipment Design; D004869:Equipment Safety; D006801:Humans; D011312:Pressure; D013396:Suction / Q000295:instrumentation*; D014618:Vacuum