RT Journal Article SR Electronic T1 Practice information on audiotape for visually-impaired patients. JF British Journal of General Practice JO Br J Gen Pract FD British Journal of General Practice SP 67 OP 68 VO 49 IS 438 A1 C E Clark A1 S Bourne YR 1999 UL http://bjgp.org/content/49/438/67.3.abstract AB