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subhead only; for transmission & mechanism of transmission of disease from man to man, from man to animal, from animal to man or animal to animal; indexing policy: Manual 19.8.74; DF: /transm or /TM
Scope Note
Used with diseases for studies of the modes of transmission.
Entry Version
TRANSM
Abbreviation
TM
Online Note
search policy: Online Manual; use: main heading/TM or TM (SH) or SUBS APPLY TM
History Note
75; used with Category C 1975-89; C1-3 1990 forward