Assertion: viagra's sildenafil | /r/HasProperty | recommended option
Facets:
value: for treatment
type: PURPOSE
Source sentences:
text: Based on the 2019 Wilderness Medical Society consensus guidelines for the prevention and treatment of acute altitude illness, sildenafil is a recommended option for the prevention and treatment of high-altitude pulmonary edema (as an adjunct to descent, oxygen, or portable hyperbaric therapy).