title: Free radicals of biological interest. I. Electron spin resonance spectra of tobacco smoke condensates.
mesh_terms: D001580:Benzopyrenes / Q000032:analysis; D002273:Carcinogens; D055598:Chemical Phenomena; D002621:Chemistry; D004578:Electron Spin Resonance Spectroscopy; D010947:Plants, Toxic; D012907:Smoking; D013464:Sulfuric Acids; D014026:Nicotiana / Q000032:analysis*
chemical_list: D001580:Benzopyrenes; D002273:Carcinogens; D013464:Sulfuric Acids