Subclinical vitamin A deficiency and associated factors among pregnant women in eastern Ethiopia - Roba, Kedir Teji; Asefa, Gemechu; Fite, Meseret Belete; Oumer, Abdu; Abdurahman, Dureti; Motuma, Aboma; Yilma, Abebayehu N.; Thompson, Gretchen; Brewis, Alexandra; Rosinger, Asher Y. (Frontiers in Nutrition, 2025)