*0011643755 *008950117s1994 xx# 000 0 nob *019 $bk *08230$a616.1 *100 $aSmith, Gunnar$_137902000 *245 $aTransøsofagusekkokardiografi *300 $aS. 17-21 *773 $tHjerte-karsykdommer i praksis$gÅrg. 36, nr 4 (1994)$x0441-0092$w(NO-LaBS)241591(tnr) *999 $z9500182947$anorart:9500182947 ^