[Brief survey of radioactive elements and problem of protection from radiations].
D003625:Data Collection; D004603:Elements, Radioactive; D007554:Isotopes; D011827:Radiation / Q000009:adverse effects*
D004603:Elements, Radioactive; D007554:Isotopes
ISOTOPES; RADIATIONS/injurious effects
Kratak osvrt na radioaktivne elemente i na problematiku zastite od radioaktivnog zracenja.