TY - JOUR T1 - A simple ophthalmic diagnostic aid. JF - British Journal of General Practice JO - Br J Gen Pract SP - 349 LP - 349 VL - 40 IS - 337 AU - M F Ellis Y1 - 1990/08/01 UR - http://bjgp.org/content/40/337/349.2.abstract N2 - 300 Multiple ChoicesThis is a pdf-only article and there is no markup to show you.full-text.pdf ER -