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001 9910696191103321
005 20070830103833.0
035   $a(CKB)5470000002374896
035   $a(OCoLC)166422218
035   $a(EXLCZ)995470000002374896
100   $a20070830d2007      ua             0
101 0 $aeng
181   $ctxt$2rdacontent
182   $cc$2rdamedia
183   $acr$2rdacarrier
200 00$aHow the heart works$b[electronic resource] $eyour heart's electrical system
210  1$a[Bethesda, Md]. :$cU.S. Dept. of Health and Human Services, National Institutes of Health, National Heart, Lung, and Blood Institute,$d[2007?]
215   $a1 electronic text $cHTML file
300   $aTitle from title screen (viewed Aug. 30, 2007).
517   $aHow the heart works 
606   $aHeart conduction system
615  0$aHeart conduction system.
712 02$aNational Heart, Lung, and Blood Institute.
801  0$bGPO
801  1$bGPO
906   $aBOOK
912   $a9910696191103321
996   $aHow the heart works$93461720
997   $aUNINA