1. THE IMPORTANCE OF SOME NON-TARGETTED CELLULAR EFFECTS IN ASSESSING THE LUNG CANCER RISK INDUCED BY RADON AND ITS PROGENY. Authors: CONSTANTIN COSMA, WERNER HOFMANN, LUCIA-ADINA TRUŢĂ-POPA.2. THERMAL WATER AND RADON EXPOSURE THROUGH THE SKIN. Authors: MIRCEA MOLDOVAN, WERNER HOFMANN, CONSTANTIN COSMA, MIRELA MOLDOVAN, DANIELA CIORBA.