Classification-Index

Classification 2024 Winter Edition

Worldwide source of medical classification resources

Class Index

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Environment, Controlled WA 670 - WA 847

General works

WA 670

In hospitals

General

WX 165

In industry

WA 440 - WA 491

See also names of specific types of control

See also Incubators

See also Ecological Systems, Closed

See also Extraterrestrial Environment

See also Germ-Free Life