MEDLINE Indexing Online Training Course
Category Z - Geographic Locations
Category Z contains the MeSH terms for geographic locations. This includes terms for continents, countries, each state in the United States, some cities and oceans and seas.
Category Z terms are never indexed as IM concepts.
Index a geographical term when the geographic aspect of a subject is discussed or when the subject has geographical significance.
Health services in rural Mississippi
* RURAL HEALTH SERVICES
Diagnosis of malaria in Tanzania
HUMAN (check tag)
Do not index the geographic term when it is part of the nomenclature of an organism or the name of a substance.
Isolation of Salmonella enterica serovar California from sewage
SALMONELLA ENTERICA /*isol
(Do not add CALIFORNIA)
Amino acid sequence of antithrombin London
AMINO ACID SEQUENCE
(Do not add LONDON)