title: Improved procedure for the preparation of pulmonary cytology smears.
mesh_terms: D000111:Acetylcysteine; D003581:Cytodiagnosis; D003584:Cytological Techniques; D006801:Humans; D008175:Lung Neoplasms / Q000473:pathology*; D009093:Mucus; D013183:Sputum / Q000166:cytology*; D013194:Staining and Labeling
chemical_list: D000111:Acetylcysteine