Seasonal variations in vitamin-D status and the incidence of tuberculosis in different countries.
Chan
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TY
D015897:Comorbidity; D005060:Europe / Q000453:epidemiology; D006723:Hong Kong / Q000453:epidemiology; D006801:Humans; D015994:Incidence; D009656:North America / Q000453:epidemiology; D018570:Risk Assessment; D012537:Scandinavian and Nordic Countries / Q000453:epidemiology; D012621:Seasons; D014376:Tuberculosis / Q000175:diagnosis / Q000453:epidemiology*; D014808:Vitamin D Deficiency / Q000175:diagnosis / Q000453:epidemiology*