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3. Less harmful ways of smoking. Wynder EL, Hoffmann D. J Natl Cancer Inst; 1972 Jun; 48(6):1749-58. PubMed ID: 5056259 [No Abstract] [Full Text] [Related]
4. [The harmfulness of tobacco]. Gilsanz García V. An R Acad Nac Med (Madr); 1985 Jun; 102(4):403-30. PubMed ID: 3832964 [No Abstract] [Full Text] [Related]
13. [Mortality in relation to tobacco smoking. 9 years of observations of physicians in Switzerland]. Strobel M, Gsell O. Helv Med Acta; 1965 Dec 01; 32(6):547-92. PubMed ID: 5869031 [No Abstract] [Full Text] [Related]