title: On paradigms, paradoxes, and particles.
mesh_terms: D000336:Aerosols; D000818:Animals; D006801:Humans; D008168:Lung / Q000378:metabolism / Q000502:physiology; D008171:Lung Diseases / Q000209:etiology*; D008433:Mathematics; D008954:Models, Biological; D010947:Plants, Toxic; D011656:Pulmonary Emphysema / Q000209:etiology; D011892:Rana catesbeiana; D051381:Rats; D012143:Respiratory Physiological Phenomena; D012906:Smoke / Q000009:adverse effects; D013314:Stress, Mechanical; D014026:Nicotiana
chemical_list: D000336:Aerosols; D012906:Smoke