title: Pneumocephalus: a hazard of pipe smoking.
authors.affiliation: Department of Neurosurgery, Addenbrooke's Hospital, Cambridge, UK.
authors.forename: P C
authors.initials: PC
authors.lastname: Whitfield
authors.forename: A G
authors.initials: AG
authors.lastname: Coombes
mesh_terms: D000063:Accidents, Traffic; D000368:Aged; D001642:Bicycling; D006801:Humans; D008297:Male; D010159:Palate / Q000293:injuries*; D011007:Pneumocephalus / Q000000981:diagnostic imaging / Q000209:etiology*; D012907:Smoking; D013997:Time Factors; D014057:Tomography, X-Ray Computed