PT - JOURNAL ARTICLE AU - Harry V. Warren TI - Trace Elements and Epidemiology DP - 1963 Nov 01 TA - The Journal of the College of General Practitioners PG - 517--531 VI - 6 IP - 4 4099 - http://bjgp.org/content/6/4/517.short 4100 - http://bjgp.org/content/6/4/517.full SO - J Coll Gen Pract1963 Nov 01; 6