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.
Serum levels of serum 25-hydroxy vitamin D3 [25(OH)D3] in the study subjects according to the anti–thyroid peroxidase antibody (TPO-Ab) positivity. (A) Levels of serum 25(OH)D3 in subjects from the TPO-Ab(−) group and TPO-Ab(+) group. (B) Serum levels of 25(OH)D3 according to each season. (C) Serum levels of 25(OH)D3 according to each month.
