The use of soluble swabs in  exfoliative cytology of the bronchus and hollow viscera.
D001984:Bronchial Neoplasms / Q000175:diagnosis*; D003581:Cytodiagnosis; D004938:Esophageal Neoplasms / Q000175:diagnosis; D006801:Humans; D009092:Mucous Membrane / Q000473:pathology; D009369:Neoplasms / Q000175:diagnosis*; D009669:Nose Neoplasms / Q000175:diagnosis; D013274:Stomach Neoplasms / Q000175:diagnosis; D001749:Urinary Bladder Neoplasms / Q000175:diagnosis