Gupta, NSawlani, K KTripathi, A K2001-09-122009-05-302001-09-122009-05-302001-09-12Gupta N, Sawlani KK, Tripathi AK. Appropriate use of sildenafil citrate in male erectile dysfunction. Journal of the Association of Physicians of India. 2001 Sep; 49(): 889-96http://imsear.searo.who.int/handle/123456789/9030852 references.engAdministration, OralAdultAgedClinical Trials as TopicDose-Response Relationship, DrugDrug Administration ScheduleErectile Dysfunction --diagnosisFollow-Up StudiesHumansIndiaMaleMiddle AgedPiperazines --adverse effectsPurinesRisk AssessmentSulfonesTreatment OutcomeAppropriate use of sildenafil citrate in male erectile dysfunction.Journal Article