*0011655030 *008950916s1995 xx# 000 0 eng *019 $bk *08230$a616.3 *245 $aMost ulcer perforations are caused by smoking$cSvanes, C. . .. [et al.] *300 $aS. 76 *520 $aAbstrakt *700 $aSvanes, Cecilie$_138621800 *773 $tScandinavian journal of gastroenterology : suppl.$gVol. 30, suppl. 209 (1995)$x0085-5928$w(NO-LaBS)520867(tnr) *999 $z9500194222$anorart:9500194222 ^