RT Journal Article SR Electronic T1 Cataract: a pre-referral protocol. JF British Journal of General Practice JO Br J Gen Pract FD British Journal of General Practice SP 584 OP 584 VO 52 IS 480 A1 Campion-Smith, Charles YR 2002 UL http://bjgp.org/content/52/480/584.2.abstract AB