title: Minimum calcification demonstrable in pulmonary nodules. A roentgen pathology model.
mesh_terms: D000818:Animals; D002114:Calcinosis / Q000000981:diagnostic imaging*; D002130:Calcium Phosphates; D004195:Disease Models, Animal; D004285:Dogs; D006801:Humans; D008171:Lung Diseases / Q000000981:diagnostic imaging*; D011859:Radiography; D012826:Silicone Elastomers; D014054:Tomography
chemical_list: D002130:Calcium Phosphates; D012826:Silicone Elastomers