APA

Thomas Enson Cherian, University of Delhi. Faculty of Medical Sciences. Department of Clinical Research, Dr M P S Menon Supervisor & University of Delhi. Faculty of Medical Sciences. Department of Clinical Research. (1993). Pulmonary functions during sleep in patients of chronic obstructive pulmonary disease. : .

Chicago

Thomas Enson Cherian, University of Delhi. Faculty of Medical Sciences. Department of Clinical Research, Dr M P S Menon Supervisor and University of Delhi. Faculty of Medical Sciences. Department of Clinical Research. 1993. Pulmonary functions during sleep in patients of chronic obstructive pulmonary disease. : .

Harvard

Thomas Enson Cherian, University of Delhi. Faculty of Medical Sciences. Department of Clinical Research, Dr M P S Menon Supervisor and University of Delhi. Faculty of Medical Sciences. Department of Clinical Research. (1993). Pulmonary functions during sleep in patients of chronic obstructive pulmonary disease. : .

MLA

Thomas Enson Cherian, University of Delhi. Faculty of Medical Sciences. Department of Clinical Research, Dr M P S Menon Supervisor and University of Delhi. Faculty of Medical Sciences. Department of Clinical Research. Pulmonary functions during sleep in patients of chronic obstructive pulmonary disease. : . 1993.