Accumulation of atmospheric radon in calcite caves.
D000393:Air Pollutants / Q000032:analysis*; D000396:Air Pollutants, Radioactive / Q000032:analysis*; D002118:Calcium; D006801:Humans; D007564:Japan; D011886:Radon / Q000032:analysis*
D000393:Air Pollutants; D000396:Air Pollutants, Radioactive; D011886:Radon; D002118:Calcium