000 00292nam a2200109Ia 4500
001 27773
008 170722s9999 xx 000 0 und d
100 _aOgilvie, Ag
245 _aTen-year prospective study of chronic bronchitis in the north-east of England /
260 _c1973.
942 _cGEN
999 _c86975
_d86975