PT - JOURNAL ARTICLE ED - , TI - Errata AID - 10.1136/bmj.2.3019.534 DP - 1918 Nov 09 TA - British Medical Journal PG - 534--534 VI - 2 IP - 3019 4099 - http://www.bmj.com/content/2/3019/534.short 4100 - http://www.bmj.com/content/2/3019/534.full SO - BMJ1918 Nov 09; 2