DIN CEN/TS 14822-4
DIN CEN/TS 14822-4 Health informatics - General purpose information components - Part 4: Message headers; English version CEN/TS 14822-4:2005
standard by Deutsches Institut Fur Normung E.V. (German National Standard), 05/01/2006
standard by Deutsches Institut Fur Normung E.V. (German National Standard), 05/01/2006