Science: v.1-v.219Moses King, 1968 |
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Page 863
... carcinogenic ac- tivity ; ( P ) relative tumor - promoting activity . Table 2. Chemical constituents of subfraction BI of tobacco smoke. for fractions rich in five - ring as well as in four - ring aromatic hydrocarbons . While tumor ...
... carcinogenic ac- tivity ; ( P ) relative tumor - promoting activity . Table 2. Chemical constituents of subfraction BI of tobacco smoke. for fractions rich in five - ring as well as in four - ring aromatic hydrocarbons . While tumor ...
Page 867
... carcinogenic to the experimental animal ( 45 ) . This hydrazide is widely used to inhibit the growth of tobacco - plant suckers and is found in tobacco and in tobacco smoke ( 46 ) . It should be replaced by a less harmful sucker ...
... carcinogenic to the experimental animal ( 45 ) . This hydrazide is widely used to inhibit the growth of tobacco - plant suckers and is found in tobacco and in tobacco smoke ( 46 ) . It should be replaced by a less harmful sucker ...
Page 870
... carcinogenic to the skin of certain animals are also carcinogenic to their respiratory epithe- lium . As we state above , the main prob- lem in experimental tobacco carcino- genesis is that toxicologic and anatomic factors make it ...
... carcinogenic to the skin of certain animals are also carcinogenic to their respiratory epithe- lium . As we state above , the main prob- lem in experimental tobacco carcino- genesis is that toxicologic and anatomic factors make it ...
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AAAS acid activity alleles allografts Amer American analysis animals Arranged Association behavior biological C-fibers carcinogenic cells changes Chem chemical Chemistry concentration crystal culture curve dose drug effects electron Engineering enzyme experimental experiments fraction frequency function genetic human hydrofoil ibid illus increase indicated Institute instrument International isotopes laboratory liver macrophages marihuana measured mechanisms ment method mice molecules monocytes morphine National neurons NMR spectroscopy observed organic osteosarcoma oxygen paramutation particles pattern percent Ph.D physical physiological Pleistocene present problems production protein psychrophilic radiation ratio rats reaction References and Notes region reported response ribonuclease sample Science scientific scientists serum singlet oxygen smoke solution species spectra spectrum structure subjects symposium Table temperature Teotihuacan Texcoco thymidine kinase tion tissue tobacco tobacco smoke University variations weddellite York