title: Car versus bicycle.
authors.affiliation: DRDR0682@aol.com
authors.forename: David W
authors.initials: DW
authors.lastname: Ross
authors.forename: Carol
authors.initials: C
authors.lastname: Wichman
authors.forename: Mike
authors.initials: M
authors.lastname: Mackinnon
mesh_terms: D000063:Accidents, Traffic; D001416:Back Pain / Q000209:etiology*; D001642:Bicycling / Q000293:injuries*; D017809:Fatal Outcome; D006801:Humans; D008159:Lumbar Vertebrae; D008297:Male; D008875:Middle Aged; D014187:Transportation of Patients / Q000379:methods*