title: Use of radioisotope techniques for determining the weaning period in experimental animals.
mesh_terms: D000821:Animal Feed; D000818:Animals; D001464:Barium; D005260:Female; D007774:Lactation; D008722:Methods; D051379:Mice; D011247:Pregnancy; D011868:Radioisotopes; D013325:Strontium Isotopes / Q000378:metabolism; D013977:Tibia / Q000032:analysis; D013997:Time Factors; D014886:Weaning; D014915:Whole-Body Counting
chemical_list: D011868:Radioisotopes; D013325:Strontium Isotopes; D001464:Barium