3.4. Analysis.
Comparison 3 Staple foods fortified with vitamin A plus other micronutrients versus same unfortified staple foods, Outcome 4 Serum/plasma retinol (μmol/L) (by length of the intervention).
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.