Distribution of vitamin D levels across different grades of alopecia. (a) Androgenetic alopecia classification according to Hamilton-Norwood scale.

 
 
  Part of: Batool R, Khan S, Abbas H, Abbas SM, Hyder MS, Shah SA, Sarfraz MR, Fiaz H (2025) Serum Vitamin D levels in males with premature androgenetic alopecia: a prospective case-control study. Folia Medica 67(1): e138514. https://doi.org/10.3897/folmed.67.e138514