RT Journal Article SR Electronic T1 The Beginning of the P.M.O. JF Journal of the Royal Army Medical Corps JO J R Army Med Corps FD British Medical Journal Publishing Group SP 370 OP 372 DO 10.1136/jramc-19-03-14 VO 19 IS 3 A1 A. Peterkin YR 1912 UL http://militaryhealth.bmj.com/content/19/3/370.abstract AB