000 00307nam a2200109Ia 4500
008 160509s9999 xx 000 0 und d
100 _aCirculation
245 _aCirculation : 1986 : Volume 74(4) : (Tiruvallur)
260 _bThe American Heart Association Inc.
_c1986
300 _a579p.
650 _aCirculation
999 _c4034
_d4034