we examined a series of paraffin-embedded tissue specimens from 10 cases of squamous bronchial metaplasia and 33 cases of squamous cell carcinoma of the lung for histologic characteristics and for the presence and typing of human papillomavirus ( hpv ) by molecular in situ hybridization with biotinylated probes types 6 , 11 , 16 and 18 under stringent conditions ( temperature , 19 degrees c ) .
C1521970
characteristics
C0039476
temperature