title: Earth-eating.
authors: Margaret
authors: M
authors: Elmes
mesh_terms: D000538:Aluminum Silicates; D000077215:Clay; D006801:Humans; D010842:Pica / Q000209:etiology*; D015032:Zinc / Q000172:deficiency*
chemical_list: D000538:Aluminum Silicates; D015032:Zinc; D000077215:Clay