On the influence of environmental factors on radon levels in caves of Ribeira Valley...

222Rn exposure assessment in the caves of Parque Estadual Turístico do Alto Ribeira...

Assessment of natural radioactivity in commercial marble and granite of Espírito...

Assessment of natural radiation of beachs sands in Great Vitória, Espírito Santo

Assessment of the variation of natural radioactivity in sands of Camburi Beach-Vitória-Espírito...

Natural and artificial radioactivity in commercial food for domestic animals

Study of natural radionuclides - 226Ra, 228Ra and 210Pb - in marine sediment cores...

Evaluation of natural radioactivity in some granitic rocks in the state of Paraná...

Evaluation of natural radioactivity in groundwater in the municipality of Campos...

Assessment of natural radioactivity in wall paints of commercial use in Brazil