Tehran University of Medical Sciences Iranian Journal of Public Health 2251-6085 51 4 2022 04 14 Paternal Age at Birth and Hemoglobin Levels in Early Adolescents: A Nationwide Survey 961 963 Jae Hee Choi Department of Family Medicine, Gil Medical Center, Gachon University College of Medicine, Incheon, South Korea Ki Dong Ko Department of Family Medicine, Gil Medical Center, Gachon University College of Medicine, Incheon, South Korea In Cheol Hwang Department of Family Medicine, Gil Medical Center, Gachon University College of Medicine, Incheon, South Korea Hong Yup Ahn Department of Statistics, Dongguk University, Seoul, South Korea 2019 10 16 2019 11 03 No Abstract https://ijph.tums.ac.ir/index.php/ijph/article/view/18667 https://ijph.tums.ac.ir/index.php/ijph/article/download/18667/7581