1. Predictive value of sputum cytology (erratum appears in Thorax 1987; 42:640);Benbassat;Thorax,1987
2. Diagnosis of bronchial carcinoma on sections of paraffin-embedded sputum: sensitivity and specificity of an alternative to routine cytology;Böcking;Acta Cytol,1992
3. Sputum cytology;Mehta;Clin Chest Med,1993
4. Comparison of the sensitivity of sputum and brush cytology in the diagnosis of lung carcinomas;Sing;Acta Cytol,1997
5. Diagnostic sensitivity and specificity of pulmonary cytology: comparison of techniques used in conjunction with flexible fiber optic bronchoscopy;Jay;Acta Cytol,1980