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2. Effect of alcohol and various diseases on leukocyte mobilization, phagocytosis and intracellular bacterial killing;Brayton;New Engl. J. Med.,1970
3. Influence of continued smoking on the incidence of second primary cancers involving mouth, pharynx, and larynx;Castigliano;J. Amer. Dent. Ass.,1968
4. Reports on public health and medical subjects, No. 33 Appendix 1, The Errors of Sampling of the Survivorship Tables;Greenwood,1926
5. Smoking in relation to the death rates of one million men and women;Hammond,1966