Milk surveillance, April 1974.
D000818:Animals; D002587:Cesium Isotopes; D005507:Food Contamination, Radioactive / Q000032:analysis*; D008892:Milk / Q000032:analysis*; D009656:North America; D011834:Radiation Monitoring; D013020:South America; D013326:Strontium Radioisotopes
D002587:Cesium Isotopes; D013326:Strontium Radioisotopes