sHelp
                                     OE.INP.XFER
       2
   oe.inp.xfer.main
     oe.inp.xfer.orders

 Ì       2
oe.inp.xfer.main    (main) 
[patient]
:PNXF[aa]

 Field Name                 Len Dat Typ  J  DPM            Offset/Local/VAL                                        
 patient                     30 URN      L  ADM.PAT        aa                                                      
 Ì       2
oe.inp.xfer.orders    (orders) 
[patient, order.urn]
:PNXF[aa]O[pnN]

 Field Name                 Len Dat Typ  J  DPM            Offset/Local/VAL                                        
 order.urn                    2 URN      L                 pnN