1.3. Analysis.
Comparison 1 Oral long‐chain omega‐3 PUFAs (ie, EPA and DHA) versus placebo, Outcome 3 Schirmer test (tear production) (mm/5 min).
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.