*0011582888
*008910704s1991    xx#           000 0 nob
*019  $bk
*08230$a616.3
*100  $aBerstad, Arnold$_36549700
*245  $aHelicobacter pylori$cArnold Berstad
*300  $aS. 1345-1346
*773  $tTidsskrift for Den norske legeforening$gÅrg. 111, nr 11 (1991)$x0029-2001$w(NO-LaBS)552783(tnr)
*999  $z9100130737$anorart:9100130737
^