1. Penicillin therapy and control in 21 Army Group: published under the direction of the Director of Medical Services, 21 Army Group Author(s): Allied Forces. Army Group, 21st, author. Publication: [Germany] : Printed and bound by Printing & Stationery Service, British Army of the Rhine, May, 1945 Subject(s): Penicillins -- therapeutic useWar-Related Injuries -- drug therapyMilitary MedicineWorld War IIAllied Forces. Army Group, 21st.