Milk surveillance, June 1971.
D000818:Animals; D001464:Barium / Q000032:analysis; D002170:Canada; D002489:Central America; D002587:Cesium Isotopes / Q000032:analysis; D005507:Food Contamination, Radioactive; D007456:Iodine Isotopes / Q000032:analysis; D008892:Milk / Q000032:analysis*; D011194:Potassium Isotopes / Q000032:analysis; D011834:Radiation Monitoring; D011868:Radioisotopes / Q000032:analysis; D013020:South America; D013325:Strontium Isotopes / Q000032:analysis; D013997:Time Factors; D014481:United States
D002587:Cesium Isotopes; D007456:Iodine Isotopes; D011194:Potassium Isotopes; D011868:Radioisotopes; D013325:Strontium Isotopes; D001464:Barium