TY - JOUR T1 - Concerning A Free-Martin JF - Journal of the Royal Army Medical Corps JO - J R Army Med Corps SP - 62 LP - 63 DO - 10.1136/jramc-37-01-05 VL - 37 IS - 1 AU - Robert Firth Y1 - 1921/07/01 UR - http://militaryhealth.bmj.com/content/37/1/62.abstract N2 - 300 Multiple ChoicesThis is a pdf-only article and there is no markup to show you.full-text.pdf ER -