*0011724536 *008980828s1998 xx# 000 0 nob *019 $bk *08230$a616.3 *100 $aPetersen, Hermod$_133880100 *245 $aHelicobacter pylori - vet vi hva vi gjør? *300 $aS. 1540-1541 *700 $aJohannessen, Terje$_125178200 *773 $tTidsskrift for Den norske legeforening$gÅrg. 118, nr 10 (1998)$x0029-2001$w(NO-LaBS)552783(tnr) *999 $z9800239689$anorart:9800239689 ^