title: Natural radiation dose in Petralona Cave.
mesh_terms: D000393:Air Pollutants / Q000032:analysis*; D000396:Air Pollutants, Radioactive / Q000032:analysis*; D004781:Environmental Exposure; D005720:Gamma Rays; D006115:Greece; D006801:Humans; D008163:Luminescent Measurements; D011829:Radiation Dosage; D011834:Radiation Monitoring; D011886:Radon / Q000032:analysis; D012306:Risk; D012621:Seasons
chemical_list: D000393:Air Pollutants; D000396:Air Pollutants, Radioactive; D011886:Radon