subhead only; includes "forecasting" & "futurology"; for a continuum from past to present, present to future; see MeSH scope note in Introduction; indexing policy: Manual 19.8.76; DF: /trends or /TD CATALOG: may be subdivided geographically
Scope Note
Used for the manner in which a subject changes, qualitatively or quantitatively, with time, whether past, present, or future. It excludes discussions of the course of disease in particular patients.
Entry Version
TRENDS
Abbreviation
TD
Entry Term(s)
forecasting
futurology
Online Note
search policy: Online Manual; use: main heading/TD or TD (SH) or SUBS APPLY TD
History Note
78; used with Category F4, G1-3, I & N 1978-79; E, F4, G1-3, I & N 1980-86; E, F4, G1-3, I, L & N 1987; E, F4, G1-3, I, L, N & SMOKING 1988; E, F4, G1-3, I, L, N & SMOKING+ 1989; E, F4, G1-2, I2-3 & N2-4 1990 forward
Used for the manner in which a subject changes, qualitatively or quantitatively, with time, whether past, present, or future. It excludes discussions of the course of disease in particular patients.
