000 00347nam a2200133 4500
020 _a0390480894
050 0 0 _aMED QP113
_b.J45
100 1 _aJensen, David,
245 1 0 _aIntrinsic cardiac rate regulation.
260 _aNew York
_bAppleton-Century-Crofts
_c1971
300 _axiii, 238 p.
_billus.
650 0 _aHeart conduction system.
942 _cBK
999 _c1515
_d1515