Purwanti LE, Prasetyo E, Nurhidayat S. Faktor Risiko Osteopenia pada Remaja. JNK [Internet]. 2015 Apr. 1 [cited 2024 Jul. 6];2(1):038-42. Available from: http://ojs.phb.ac.id/index.php/jnk/article/view/0050