Woessner, Mary N Effects of Dietary Inorganic Nitrate Supplementation on Exercise Performance in Patients With Heart Failure: Protocol for a Randomized, Placebo-Controlled, Cross-Over Trial. [electronic resource] - JMIR research protocols Apr 2018 - e86 p. digital Publication Type: Journal Article ISSN: 1929-0748 Standard No.: 10.2196/resprot.8865 doi