. . . "Observational evaluation of compliance with traffic regulations among helmeted and nonhelmeted bicyclists"@en . "D W Spaite" . . . . . "1997-05-01T00:00:00Z"^^ . . "10.1016/S0196-0644(97)70251-8" . "Observational evaluation of compliance with traffic regulations among helmeted and nonhelmeted bicyclists"@en . "Observational evaluation of compliance with traffic regulations among helmeted and nonhelmeted bicyclists"@en . "625-629" . "5" . "scientific article published on 01 May 1997"@en . . "C Farris" . "9140247" . . . "Observational evaluation of compliance with traffic regulations among helmeted and nonhelmeted bicyclists"@en . . . . . "E A Criss" . . . . "art\u00EDculu cient\u00EDficu espubliz\u00E1u en mayu de 1997"@ast . "Observational evaluation of compliance with traffic regulations among helmeted and nonhelmeted bicyclists"@nl . . "29" . . . . . . . . . "Observational evaluation of compliance with traffic regulations among helmeted and nonhelmeted bicyclists"@nl . . . . . . "H W Meislin" . . . . . . . "T D Valenzuela" . . . . . . . . . . "Observational evaluation of compliance with traffic regulations among helmeted and nonhelmeted bicyclists"@nl . . . . . . . . . . . . . . . . . . . . . "\u043D\u0430\u0443\u043A\u043E\u0432\u0430 \u0441\u0442\u0430\u0442\u0442\u044F, \u043E\u043F\u0443\u0431\u043B\u0456\u043A\u043E\u0432\u0430\u043D\u0430 \u0432 \u0442\u0440\u0430\u0432\u043D\u0456 1997"@uk . "wetenschappelijk artikel"@nl . . . . . . . . .