title: Constituents of sputum: a simple method.
mesh_terms: D003581:Cytodiagnosis; D004804:Eosinophils / Q000166:cytology; D004847:Epithelial Cells; D006801:Humans; D007962:Leukocytes / Q000166:cytology; D008171:Lung Diseases / Q000175:diagnosis; D008264:Macrophages / Q000166:cytology; D008722:Methods; D013183:Sputum / Q000032:analysis / Q000166:cytology*; D013194:Staining and Labeling