Hiro, K.; Imanishi, M.; Fukuoka, H.; Itsuki, A.; Kotake, H. INACTIVATION EFFECTS OF NEGATIVE PRESSURES BY A METAL BERTHELOT TECHNIQUE ON BACTERIA SOLUTIONS: Received: 27th June 2022; Revised: 8th September 2022, 18th November 2022, 14th November 2022; Accepted: 19th November 2022. mijst 2022, 8, 187-201.