Fig. 1From: Physiological changes and symptoms associated with short-term exposure to electromagnetic fields: a randomized crossover provocation studyProvocation experiment procedure. Provocation and sham exposures were randomly assigned to either session 1 or session 2. The two sessions were separated by a 30-min break (washout period). The participants remained seated in a chair for the whole session, during which their physiological parameters were continuously recordedBack to article page