Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Keyword time zone view of immunotherapy-TME studies. Note: For 1999–2017, keywords with co-occurrence ≥ 300 are displayed; for 2018–2022, the yearly top 1 keywords are displayed with co-occurrence frequencies. Cross and word sizes denote co-occurrence frequencies link co-occurrence associations. Nodal point and line colors indicate years, ranging from grey to red between 1999 and 2022.
