NLM logo

Classification 2025 Winter Edition

Worldwide source of medical classification resources

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
QL 537.S55
As parasites or insect vectors
See also Insect Control
General
Occupational injuries
See also Music
Special topics, by subject
Single Person   HQ 800 - HQ 800.4
Widows and widowers
HQ 1058 - HQ 1058.5
See also Widowhood
Adolescent psychology
Parent-Child Relations
Sociology
HQ 759.915
See also Single Parent