*0011634557 *008940915s1994 xx# 000 0 nob *019 $bk *08230$a616.3 *100 $aGuldvog, Ivar$_163283300 *245 $aUlcussykdom og Helicobacter pylori *300 $aS. 2469-2470 *773 $tTidsskrift for Den norske legeforening$gÅrg. 114, nr 21 (1994)$x0029-2001$w(NO-LaBS)552783(tnr) *999 $z9400178599$anorart:9400178599 ^