*0011488860 *008840103s1983 xx# 000 0 nob *019 $bk *08230$a617 *100 $aOlsen, Arild Karl$_163385300 *245 $aUlcus perforatum$cArild K.Olsen, Ivar Liavåg, Magne Roland *300 $aS.1924-1927 *700 $aLiavåg, Ivar$_162614600 *700 $aRoland, Magne$_143752900 *773 $tTidsskrift for Den norske legeforening$gÅrg.103, nr. 28 (1983)$x0029-2001$w(NO-LaBS)552783(tnr) *999 $z8400056510$anorart:8400056510 ^