000 00331nam a2200121Ia 4500
008 160509s9999 xx 000 0 und d
020 _a0009-7322
100 _aCirculation
245 _aCirculation : 1993 : Volume 87(1-2) : Shelf 28.5
260 _bAmerican Heart Association, Inc.
_c1993
300 _a703p.+
650 _aCirculation
999 _c5494
_d5494