Milk surveillance, December 1968.
D000818:Animals; D001464:Barium; D002170:Canada; D002587:Cesium Isotopes; D005504:Food Analysis; D005507:Food Contamination, Radioactive; D007456:Iodine Isotopes; D008892:Milk / Q000032:analysis*; D011194:Potassium Isotopes; D011868:Radioisotopes; D013020:South America; D013325:Strontium Isotopes
D002587:Cesium Isotopes; D007456:Iodine Isotopes; D011194:Potassium Isotopes; D011868:Radioisotopes; D013325:Strontium Isotopes; D001464:Barium