Armstrong ea 1975
Armstrong В., Doll R. Environmental factors and cancer incidence and mortality in different countries, with special re practices // Int. J. Cancer. 1975. V. 15. P. 617-631.
Armstrong В., Doll R. Environmental factors and cancer incidence and mortality in different countries, with special re practices // Int. J. Cancer. 1975. V. 15. P. 617-631.