[Child care centers and rickets prevention; some supplementary points of view].
D035843:Biomedical Research; D002648:Child; D002654:Child Care; D002656:Child Day Care Centers; D006801:Humans; D012279:Rickets / Q000517:prevention & control*
RICKETS/prevention and control
Barnavårdscentralerna och rakitprofylaxen; några kompletterande synpunkter.