To assess the efficacy of sildenafil in improving the exercise capasity and quality of life in copd patients with secondary pulmonary hypertension A randomized, placebo controlled, double blinded study - Vasudevan Vishnu Au.; University of Delhi. Faculty of Medical Science. Department of General Medicine; Giri Subhash Gu.; University of Delhi. Faculty of Medical Science. Department of General Medicine (2013)
Keywords: MEDICINE