title: Skeletal radon-to-radium ratios in neonatal, juvenile and mature beagles and in adult St. Bernards.
mesh_terms: D000818:Animals; D000831:Animals, Newborn; D001842:Bone and Bones / Q000032:analysis*; D004285:Dogs; D011883:Radium / Q000032:analysis*; D011886:Radon / Q000032:analysis*; D013997:Time Factors
chemical_list: D011886:Radon; D011883:Radium