title: 90 Sr in northern Sweden: relationships and annual variations from 1961 to 1969 in lichen, reindeer and man.
mesh_terms: D000328:Adult; D000818:Animals; D001842:Bone and Bones / Q000032:analysis; D002118:Calcium / Q000032:analysis; D004463:Ecology; D005006:Ethnicity; D005507:Food Contamination, Radioactive / Q000032:analysis*; D006207:Half-Life; D006801:Humans; D008011:Lichens / Q000032:analysis*; D008460:Meat / Q000032:analysis*; D009132:Muscles / Q000032:analysis; D012053:Reindeer / Q000378:metabolism*; D012189:Retrospective Studies; D012494:Sampling Studies; D013325:Strontium Isotopes / Q000032:analysis*; D013548:Sweden; D015020:Yttrium Isotopes / Q000032:analysis
chemical_list: D013325:Strontium Isotopes; D015020:Yttrium Isotopes; D002118:Calcium