PT - JOURNAL ARTICLE AU - John D. Williamson TI - PRESENTATION OF DATA DP - 1977 Jun 01 TA - The Journal of the Royal College of General Practitioners PG - 376--377 VI - 27 IP - 179 4099 - http://bjgp.org/content/27/179/376.short 4100 - http://bjgp.org/content/27/179/376.full SO - J R Coll Gen Pract1977 Jun 01; 27