Depiction of elderly and disabled people on road traffic signs: international comparison.
Gale
Richard P
RP
Department of Ophthalmology, York Hospital, York YO31 8HE. richard.gale@york.nhs.uk
Gale
Christopher P
CP
Roper
T A
TA
Mulley
Graham P
GP
D000368:Aged; D001296:Audiovisual Aids; D006233:Persons with Disabilities; D006801:Humans; D012449:Safety