![John VLACHOS | Ph.D Researcher | Doctor of Medicine | University of Patras, Pátra | UP | Department of Medical Physics John VLACHOS | Ph.D Researcher | Doctor of Medicine | University of Patras, Pátra | UP | Department of Medical Physics](https://www.researchgate.net/profile/John-Vlachos-2/publication/354477223/figure/fig3/AS:1066181947564032@1631208993310/Block-diagram-of-the-PX4-in-a-complete-system-Amptek_Q320.jpg)
John VLACHOS | Ph.D Researcher | Doctor of Medicine | University of Patras, Pátra | UP | Department of Medical Physics
![John VLACHOS | Ph.D Researcher | Doctor of Medicine | University of Patras, Pátra | UP | Department of Medical Physics John VLACHOS | Ph.D Researcher | Doctor of Medicine | University of Patras, Pátra | UP | Department of Medical Physics](https://i1.rgstatic.net/ii/profile.image/1082128569769984-1635010964820_Q512/John-Vlachos-2.jpg)
John VLACHOS | Ph.D Researcher | Doctor of Medicine | University of Patras, Pátra | UP | Department of Medical Physics
![John VLACHOS | Ph.D Researcher | Doctor of Medicine | University of Patras, Pátra | UP | Department of Medical Physics John VLACHOS | Ph.D Researcher | Doctor of Medicine | University of Patras, Pátra | UP | Department of Medical Physics](https://www.researchgate.net/profile/John-Vlachos-2/publication/354477223/figure/tbl1/AS:1066181947564033@1631208993410/Irradiation-filed-75-cm-x-75-cm-and-16-x-2-cm-Mean-value-of-energy-keV-of-all_Q320.jpg)
John VLACHOS | Ph.D Researcher | Doctor of Medicine | University of Patras, Pátra | UP | Department of Medical Physics
![Depression Treatment - Photo Journal from the ancient tower of Kaletzi (Colciu) - The Ascetic Experience Depression Treatment - Photo Journal from the ancient tower of Kaletzi (Colciu) - The Ascetic Experience](https://asceticexperience.com/wp-content/uploads/2019/06/C54I1840-2019-05-17-07-21-40-1024x683.jpg)
Depression Treatment - Photo Journal from the ancient tower of Kaletzi (Colciu) - The Ascetic Experience
![John VLACHOS | Ph.D Researcher | Doctor of Medicine | University of Patras, Pátra | UP | Department of Medical Physics John VLACHOS | Ph.D Researcher | Doctor of Medicine | University of Patras, Pátra | UP | Department of Medical Physics](https://www.researchgate.net/profile/John-Vlachos-2/publication/354477223/figure/fig1/AS:1066181947580416@1631208993241/Relationship-between-attenuation-coefficient-and-HVL-for-Aluminum_Q320.jpg)