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.
Placebo test results: The distribution diagrams of the coefficients. (A) Total expenditures, (B) drug expenditures, (C) health service expenditures, (D) diagnosis expenditures, (E) treatment expenditures, (F) consumable material expenditures, and (G) TCM expenditures.
