Isfaizah, Isfaizah, and Cahyaningrum Cahyaningrum. “***[RETRACTED]*** Effectiveness of Ferro Sulfate Supplementation on Hemoglobin and Ferritin Levels of Trimester I Pregnant Women”. Unnes Journal of Public Health 8, no. 1 (January 31, 2019): 51-56. Accessed November 22, 2024. https://journal.unnes.ac.id/sju/ujph/article/view/22131.