000 00419nam a2200145Ia 4500
008 130223s9999 xx 000 0 und d
100 _aCrewford, C.O., Schelzel, G.W.
245 _aFollow-up study of high risk participants in a coronary heart disease risk facto
260 _aPennsylvania
260 _c1975
300 _a26 p.
440 _aNo. 346; Pennsylvania Agricult
901 _pS26174
942 _cB
_2udc
999 _c123062
_d123062