Alpha ParticlesActiniumPoloniumRadonRadiumElementsRadionuclide GeneratorsNeonCell NucleusUraniumParticle SizeLinear Energy TransferDose-Response Relationship, RadiationBystander EffectRadioisotopesRadiometryBoron Neutron Capture TherapyMiningRadiation DosageFibroblastsNucleus Accumbensalpha 1-Antitrypsin