*0011600212 *008921106s1992 xx# 000 0 nob *019 $bk *08230$a616.3 *100 $aKittang, Eirik$_162509800 *245 $aHelicobacter pylori *300 $aS. 3-4 : ill. *773 $tTherapia medica$gnr 1 (1992)$x0804-1725$w(NO-LaBS)44464(tnr) *999 $z9200148098$anorart:9200148098 ^