Cite
MLA Citation
J C van der Pols et al.. “Is the frequency of having an eye test associated with socioeconomic factors? A national cross sectional study in British elderly..” Journal of epidemiology and community health, vol. 53, no. 11, 1999, pp. 737–738. http://access.bl.uk/ark:/81055/vdc_100137792765.0x000023