Dal Lin, C.; Grasso, R.; Scordino, A.; Triglia, A.; Tona, F.; Iliceto, S.; Vitiello, G.; Elia, V.; Napoli, E.; Germano, R.; Musumeci, F. PH, Electric Conductivity and Delayed Luminescence Changes in Human Sera of Subjects Undergoing the Relaxation Response: A Preliminary Study and Theoretical Considerations. Organisms Journal 2021, 4, 17-29.