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Classification 2025 Summer Edition

Worldwide source of medical classification resources
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Class Index

non-alpha A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

General and animal
QH 540 - QH 549.5
Human ecology (general)
GF 31 - GF 48
Plant
QK 900.2 - QK 989
Special topics, by topic
As a profession
QH 314
General
QH 540 - QH 549.5
See also Ecosystem
By subject, in economics number where applicable
See also Antitrust Laws
Mental health
Of the aged
Public health
Other topics, by subject
General topics in economics number in any NLM schedule where applicable
General theory
HB 151 - HB 181
In economics number in any NLM schedule where appropriate
See also specific economic terms for various specialties
See also Economic Factors
General
QH 541.15.E265
Special topics by subject
See also Ecology