jason

  1. Cort

    DePaul Symptom Questionnaire for Chronic Fatigue Syndrome (ME/CFS) 2017-11-03

    Leonard Jason's symptom questionnaire developed in 2010 for use in research studies and patient registries was the first to incorporate both frequency and severity of symptoms into an ME/CFS questionnaire. The Symptom Questionnaire has been validated several times using a test-retest analysis...
  2. Cort

    Lenny Jason and the Zinn's on Their Brain Findings in ME/CFS

    Short video from Lenny Jason and the Zinn's on their work documenting biological abnormalities in the brains of ME/CFS patients

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