CORRELATION BETWEEN NECK CIRCUMFERENCE AND SKINFOLD THICKNESS TOWARDS BODY MASS INDEX ON THE STUDENTS OF MEDICAL FACULTY ISLAMIC UNIVERSITY OF NORTH SUMATRA. JKG [Internet]. 2023 Oct. 31 [cited 2025 Jul. 4];6(1):215-22. Available from: https://ejournal.medistra.ac.id/index.php/JKG/article/view/1563