PT - JOURNAL ARTICLE AU - John D Fletcher TI - Colour blindness in doctors DP - 1993 Jun 01 TA - British Journal of General Practice PG - 262--262 VI - 43 IP - 371 4099 - http://bjgp.org/content/43/371/262.1.short 4100 - http://bjgp.org/content/43/371/262.1.full SO - Br J Gen Pract1993 Jun 01; 43