title: Hard liquor for preservative of sputum.
mesh_terms: D000434:Alcoholic Beverages; D003581:Cytodiagnosis / Q000379:methods; D006801:Humans; D008175:Lung Neoplasms / Q000175:diagnosis; D011309:Preservation, Biological / Q000379:methods*; D013183:Sputum / Q000166:cytology*