226Ra and 210Pb concentrations in foodstuffs.
D005507:Food Contamination, Radioactive / Q000032:analysis*; D007564:Japan; D007854:Lead / Q000032:analysis*; D011868:Radioisotopes / Q000032:analysis*; D011883:Radium / Q000032:analysis*
D011868:Radioisotopes; D007854:Lead; D011883:Radium