[Evaluation of calcium and phosphorus nutrition in children in nurseries in Beijing].
Xu
J
J
Feng
A L
AL
D002118:Calcium / Q000097:blood*; D002136:Calcium, Dietary / Q000032:analysis; D002648:Child; D002675:Child, Preschool; D002681:China; D006801:Humans; D007223:Infant; D009724:Nurseries, Infant; D009749:Nutrition Surveys; D010758:Phosphorus / Q000032:analysis / Q000097:blood*; D012494:Sampling Studies; D012578:Schools, Nursery
D002136:Calcium, Dietary; D010758:Phosphorus; D002118:Calcium