NASUTION, A. M.; HUTAGALUNG, H. S. Relationship between Stress Level of USU Faculty of Medicine Students and Primary Headache during Online Lectures. Sumatera Medical Journal, [S. l.], v. 6, n. 1, p. 38–43, 2023. DOI: 10.32734/sumej.v6i1.7943. Disponível em: https://talenta.usu.ac.id/smj/article/view/7943. Acesso em: 5 aug. 2025.