Rickets still affects Canadian children.
Haworth
J C
JC
D002170:Canada / Q000453:epidemiology; D002675:Child, Preschool; D006801:Humans; D007223:Infant; D012279:Rickets / Q000453:epidemiology*; D014807:Vitamin D / Q000096:biosynthesis* / Q000627:therapeutic use
D014807:Vitamin D