adolescent calciummetabolismdisorders calciummetabolismdisordersinchildren cellbiology child congresses cytology derivatives infant inositol lipids metabolism microbialmetabolism microbiology nucleosides nucleotides organophosphoruscompounds phospholipids phosphonates phosphoproteins phosphorus phosphorusmetabolismdisordersinchildren phosphorylation qv285i6081986b qv285k14b1969 qw52p5751994