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Walker, Colin, 1936-

LIFE SUPPORT : health and safety technology / Colin Walker. - Richmond Hill, Ont. : Scholastic Canada, 1993. - 24 p. : ill. (some col.), col. port. ; 26 cm. - Science understandings . - Walker, Colin, 1936- Science understandings. .

Includes index.

0590748122


Medical technology.

j610/.28