Editing Sildenafil (section)

===Pulmonary hypertension===
While sildenafil improves some markers of disease in people with [[Pulmonary hypertension|pulmonary arterial hypertension]], it does not appear to affect the risk of death or serious side effects.<ref name="Wang">{{cite journal | vauthors = Wang RC, Jiang FM, Zheng QL, Li CT, Peng XY, He CY, Luo J, Liang ZA | title = Efficacy and safety of sildenafil treatment in pulmonary arterial hypertension: a systematic review | journal = Respiratory Medicine | volume = 108 | issue = 3 | pages = 531–7 | date = March 2014 | pmid = 24462476 | doi = 10.1016/j.rmed.2014.01.003 | url = http://www.resmedjournal.com/article/S0954-6111(14)00023-7/pdf | access-date = 5 November 2016 | doi-access = free | archive-date = 29 August 2021 | archive-url = https://web.archive.org/web/20210829060021/https://www.resmedjournal.com/article/S0954-6111%2814%2900023-7/pdf | url-status = live }}</ref>