Rubella activity, 1989--British Columbia.
Ng
T
T
Farley
J D
JD
Syrja
L
L
Middleton
P J
PJ
Nicoll
J
J
Millar
J
J
D001955:British Columbia; D004196:Disease Outbreaks; D006801:Humans; D012409:Rubella / Q000453:epidemiology*