Science: v.1-v.219

AAAS acid activity alleles allografts Amer American analysis animals applications Arranged Association behavior biological C-fibers carcinogenic cells changes Chem chemical Chemistry concentration culture curve Department dose drug effects electron Engineering enzyme experimental experiments fraction frequency function genetic human hydrofoil ibid illus increase indicated Institute instrument International isotopes laboratory liver marihuana measured mechanisms ment mice monocytes morphine National neurons observed OHIO STATE UNIVERSITY organic osteosarcoma oxygen paramutation particles pattern percent period 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 structure subjects symposium Table temperature Teotihuacan Texas Texcoco thymidine kinase tion tissue tobacco tobacco smoke University variations weddellite York