title: Influence of pre-laying dietary calcium upon tibial  45  Ca uptake in 20-week-old pullets.
mesh_terms: D000818:Animals; D002118:Calcium / Q000032:analysis; D002127:Calcium Isotopes; D002136:Calcium, Dietary / Q000378:metabolism*; D002645:Chickens / Q000378:metabolism*; D004032:Diet; D005260:Female; D013977:Tibia / Q000032:analysis
chemical_list: D002127:Calcium Isotopes; D002136:Calcium, Dietary; D002118:Calcium