Migrants from China.
Robertson
A M
AM
D002170:Canada / Q000453:epidemiology; D002681:China / Q000208:ethnology; D004641:Emigration and Immigration; D006304:Health Status; D006509:Hepatitis B / Q000453:epidemiology / Q000635:transmission*; D006801:Humans; D015994:Incidence; D011634:Public Health