*0011418556 *008061012s2006 xx# 000 0 swe *019 $bk *08230$a610.72 *100 $aWestergren, Albert$uResearch and Development Unit, Central Hospital, Kristianstad ; Albert.G.Westergren@skane.se$_132157200 *245 $aRäkna med det interna bortfallet *300 $aS. 54-56 *500 $aVitenskapelig artikkel *520 $aEngelsk sammendrag *650 $aHelsetjenester$2norart$_10130900 *650 $aMetoder$2norart$_12516600 *650 $adatagrunnlag$9nor$2norart$_131533100 *650 $amangler$9nor$2norart$_131727200 *650 $astatistikk$9nor$2norart$_129163000 *653 $acaring sciences$9eng$_141266900 *653 $adrop-out$9eng$_130284200 *653 $amethodology$9eng$_128694300 *653 $amissing data$9eng$_135025500 *653 $astatistics$9eng$_139471000 *700 $aJakobsson, Ulf$_158264800 *773 $tVård i Norden (trykt utg.)$gÅrg. 26, nr 3 = Nr 81 (2006)$x0107-4083$w(NO-LaBS)317203(tnr) *999 $z600395098$anorart:600395098 ^