APA

Nayyar Arun Kumar, University of Delhi. Faculty of Medical Sciences. Department of Anaesthesiology, Dr R S Saxena Supervisor & University of Delhi. Faculty of Medical Sciences. Department of Anaesthesiology. (1980). Respiratory tract infections after intubation / tracheostomy in intensive care unit (ICU) of a big hospital. : .

Chicago

Nayyar Arun Kumar, University of Delhi. Faculty of Medical Sciences. Department of Anaesthesiology, Dr R S Saxena Supervisor and University of Delhi. Faculty of Medical Sciences. Department of Anaesthesiology. 1980. Respiratory tract infections after intubation / tracheostomy in intensive care unit (ICU) of a big hospital. : .

Harvard

Nayyar Arun Kumar, University of Delhi. Faculty of Medical Sciences. Department of Anaesthesiology, Dr R S Saxena Supervisor and University of Delhi. Faculty of Medical Sciences. Department of Anaesthesiology. (1980). Respiratory tract infections after intubation / tracheostomy in intensive care unit (ICU) of a big hospital. : .

MLA

Nayyar Arun Kumar, University of Delhi. Faculty of Medical Sciences. Department of Anaesthesiology, Dr R S Saxena Supervisor and University of Delhi. Faculty of Medical Sciences. Department of Anaesthesiology. Respiratory tract infections after intubation / tracheostomy in intensive care unit (ICU) of a big hospital. : . 1980.