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Medicine

Paul Dowswell

出版	Heinemann Library, 2002
主題	Juvenile Nonfiction / Health & Daily Living / GeneralJuvenile Nonfiction / Technology / GeneralJuvenile Nonfiction / Technology / Inventions
ISBN	15881021309781588102133
URL	http://books.google.com.hk/books?id=aaEZSURyJ9wC&hl=&source=gbs_api

註釋

Explains how some of today's medical tools were invented, discussing who performed the first vaccinations, why animals were used in early blood transfusions, how electron microscopes work, and other related topics.