sHelp
                                     NUR.INT.HDR
     i   2
   nur.intervention.headers
     int.hdr.formatted.description

 Ì     i   2
nur.intervention.headers    (main) 
[mnemonic]
&NIH[nih]

 Field Name                 Len Dat Typ  J  DPM            Offset/Local/VAL                                        
 mnemonic                    10 FREE     L                 nih                                                         
 active                       1 YN       L                 &NIH[nih]|0                                                 
 cp.desc                     40 FREE     L                 &NIH[nih]|3                                                 
 description                 40 FREE     L                 &NIH[nih]|1                                                 
 hh.desc                     63 FREE     L                 &NIH[nih]HH|0                                               
 last.update                 40 FREE     L                 &NIH[nih]UPD                                                
 seq.num                      6 INT      R                 &NIH[nih]|2                                                 
 Ì     i   2
int.hdr.formatted.description    (formatted.desc) 
[mnemonic, fd.urn]
&NIH[nih]FD[nihFD]

 Field Name                 Len Dat Typ  J  DPM            Offset/Local/VAL                                        
 fd.urn                       1 PINT     R                 nihFD                                                       
 desc.line                   20 FREE     L                 &NIH[nih]FD[nihFD]                                          
 Ì       2
 INDEX FILE/INTERNAL NAME           SUBSCRIPTS/PHYSICAL BASE

 nur.header.seq.num.x               [seq.num,mnemonic] = active
   seq.x                              &NIHX[nihs,nih]