National and international milk surveillance.
D000818:Animals; D002170:Canada; D002489:Central America; D002587:Cesium Isotopes; D005507:Food Contamination, Radioactive; D007456:Iodine Isotopes; D008892:Milk; D011834:Radiation Monitoring; D013020:South America; D013325:Strontium Isotopes; D014481:United States
D002587:Cesium Isotopes; D007456:Iodine Isotopes; D013325:Strontium Isotopes