RT Journal Article SR Electronic T1 Encephalitis Lethargica JF Journal of the Royal Army Medical Corps JO J R Army Med Corps FD British Medical Journal Publishing Group SP 146 OP 153 DO 10.1136/jramc-37-02-08 VO 37 IS 2 A1 A. T. Todd YR 1921 UL http://militaryhealth.bmj.com/content/37/2/146.abstract AB