Letter from Howard Walter Florey to R V Christie, St Albans Has received directions, signed by Brigadier Porritt, issued to 21 Army Group on the use of penicillin - dispproves of certain sections - Boyd is unwilling to take advice - has written to Poole about the position - does not like being called Army adviser on penicillin if this sort of thing is put out - Cairns says there are unlikely to be serious difficulties in getting beds at the Radcliffe for the Research Unit. 16 June 1944