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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

Anatomy and physiology
QL 638.S2
Diseases
SH 179.S3
Salts   QD 189 - QD 193
See also names of specific salts
In epidemiology
Psychology
BF 39
Research
(Form number 20 or 20.5 in any NLM schedule where applicable)
See also specific types of surveys
Special topics, by subject
See also specific topics
Housing
Inspection
Legislation
Occupational
Rural
Surveys