APA

Ashok Kumar, University of Delhi. Faculty of Medical Sciences. Department of Otorhinolaryngology, Dr G C Singh Supervisor & University of Delhi. Faculty of Medical Sciences. Department of Otorhinolaryngology. (1992). Tracheobronchial changes in tracheostomized patients. : .

Chicago

Ashok Kumar, University of Delhi. Faculty of Medical Sciences. Department of Otorhinolaryngology, Dr G C Singh Supervisor and University of Delhi. Faculty of Medical Sciences. Department of Otorhinolaryngology. 1992. Tracheobronchial changes in tracheostomized patients. : .

Harvard

Ashok Kumar, University of Delhi. Faculty of Medical Sciences. Department of Otorhinolaryngology, Dr G C Singh Supervisor and University of Delhi. Faculty of Medical Sciences. Department of Otorhinolaryngology. (1992). Tracheobronchial changes in tracheostomized patients. : .

MLA

Ashok Kumar, University of Delhi. Faculty of Medical Sciences. Department of Otorhinolaryngology, Dr G C Singh Supervisor and University of Delhi. Faculty of Medical Sciences. Department of Otorhinolaryngology. Tracheobronchial changes in tracheostomized patients. : . 1992.