Sunspot numbers can detect pandemic influenza A: the use of different sunspot numbers.
Vaquero
J M
JM
Gallego
M C
MC
D004196:Disease Outbreaks; D006801:Humans; D007251:Influenza, Human / Q000453:epidemiology*; D008954:Models, Biological; D019445:Solar Activity; D013997:Time Factors