000 00314nam a2200109Ia 4500
008 160509s9999 xx 000 0 und d
100 _aCirculation
245 _aCirculation : 1987 : Volume 76(Nov-Dec) : (Tiruvallur)
260 _bThe American Heart Association Inc.
_c1987
300 _a1460p.
650 _aCirculation
999 _c4259
_d4259