The Predictive Value Of The Sf‐36 Questionnaire In Determining CPET Performance In Patients With ME/CFS: 646 May 27 2:30 PM ‐ 2:45 PM. (July 2020) - Cournoyer, Jeffry; Balbin, Elizabeth; Leaks‐Gutierrez, Precious; Collado, Fanny; Freeman, David; Tercero, Arnaldo; Klimas, Nancy