APA
Bhatnagar R.K, University of Delhi. Faculty of Medical Sciences. Department of Otorhinolaryngology, Dr P C Sagar Supervisor & University of Delhi. Faculty of Medical Sciences. Department of Otorhinolaryngology. (1973). Aetiopathogenesis of secretory otitis media. : .
Chicago
Bhatnagar R.K, University of Delhi. Faculty of Medical Sciences. Department of Otorhinolaryngology, Dr P C Sagar Supervisor and University of Delhi. Faculty of Medical Sciences. Department of Otorhinolaryngology. 1973. Aetiopathogenesis of secretory otitis media. : .
Harvard
Bhatnagar R.K, University of Delhi. Faculty of Medical Sciences. Department of Otorhinolaryngology, Dr P C Sagar Supervisor and University of Delhi. Faculty of Medical Sciences. Department of Otorhinolaryngology. (1973). Aetiopathogenesis of secretory otitis media. : .
MLA
Bhatnagar R.K, University of Delhi. Faculty of Medical Sciences. Department of Otorhinolaryngology, Dr P C Sagar Supervisor and University of Delhi. Faculty of Medical Sciences. Department of Otorhinolaryngology. Aetiopathogenesis of secretory otitis media. : . 1973.