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Dyfyniad Arddull ChicagoCho, Hae-Wol, and Chaeshin Chu. Years of Epidemics (2009–2011): Pandemic Influenza and Foot-and-Mouth Disease Epidemic in Korea. 2013.
Dyfyniad MLACho, Hae-Wol, and Chaeshin Chu. Years of Epidemics (2009–2011): Pandemic Influenza and Foot-and-Mouth Disease Epidemic in Korea. 2013.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.