Epidemic influenza and vitamin D.
Fleming
D M
DM
Elliot
A J
AJ
D002170:Canada; D004196:Disease Outbreaks; D006801:Humans; D007251:Influenza, Human / Q000453:epidemiology*; D014467:Ultraviolet Therapy / Q000379:methods; D014807:Vitamin D / Q000502:physiology; D014808:Vitamin D Deficiency / Q000453:epidemiology*
D014807:Vitamin D