The American bullfrog (Rana catesbeiana) was introduced into Taiwan from the United States
via Japan. This material relates to a paper that appeared in the 11 May 2018 issue of Science, published by AAAS. The paper, by S.J. O'Hanlon at Imperial College London in London, UK, and colleagues was titled, "Recent Asian origin of chytrid fungi causing global amphibian declines."
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