Saxena, Anita2007-07-082009-05-272007-07-082009-05-272007-07-08Saxena A. Phosphodiesterase type 5 inhibitors in pulmonary hypertension: a Hobson's choice for Indian patients. Indian Heart Journal. 2007 Jul-Aug; 59(4): 299-301http://imsear.searo.who.int/handle/123456789/5797engCarbolines --therapeutic useDisease ProgressionHumansHypertension, Pulmonary --drug therapyIndia --epidemiologyPhosphodiesterase Inhibitors --therapeutic usePiperazines --therapeutic usePurines --therapeutic useSulfones --therapeutic usePhosphodiesterase type 5 inhibitors in pulmonary hypertension: a Hobson's choice for Indian patients.Comment