Bahtiar Y, Manurung M, Marbun MD, Lubis IZ, Saing B. Head Circumference Features of Under One Year Old Children at Dr. Pirngadi Hospital Medan. PI [Internet]. 2019Jan.30 [cited 2025Apr.20];32(7-8):184-9. Available from: https://paediatricaindonesiana.org/index.php/paediatrica-indonesiana/article/view/2115