title: Spittoons and Irish clays.
authors.affiliation: Núcleo de Medicina Tropical, Universidade de Brasília.
authors.forename: P D
authors.initials: PD
authors.lastname: Marsden
mesh_terms: D049673:History, 20th Century; D006801:Humans; D010947:Plants, Toxic; D014030:Tobacco, Smokeless / Q000009:adverse effects / Q000266:history*; D014376:Tuberculosis / Q000266:history / Q000635:transmission