000 00313nam a2200109Ia 4500
008 160509s9999 xx 000 0 und d
100 _aCirculation
245 _aCirculation : 1987 : Volume 76(Sep-Oct) : (Tiruvallur)
260 _bThe American Heart Association Inc.
_c1987
300 _a655p.
650 _aCirculation
999 _c4258
_d4258