000 00310nam a2200109Ia 4500
008 160509s9999 xx 000 0 und d
100 _aCirculation
245 _aCirculation : 1988 : Volume 77(4-6) : (Tiruvallur)
260 _bThe American Heart Association Inc.
_c1988
300 _a1446p.
650 _aCirculation
999 _c4706
_d4706