TY  - BOOK
AU  - Ashok Kumar
AU  -  Dr G C Singh Supervisor
AU  - University of Delhi. Faculty of Medical Sciences. Department of Otorhinolaryngology
ED  - University of Delhi. Faculty of Medical Sciences. Department of Otorhinolaryngology
TI  - Tracheobronchial changes in tracheostomized patients
PY  - 1992///
KW  - HEAD - DISEASES
ER  -