The biological activity of medical ozone in the hormetic range and the role of full expertise professionals - Franzini, Marianno; Valdenassi, Luigi; Pandolfi, Sergio; Tirelli, Umberto; Ricevuti, Giovanni; Simonetti, Vincenzo; Berretta, Massimiliano; Vaiano, Francesco; Chirumbolo, Salvatore (Frontiers in Public Health, 2022)