Analysis of Hemoglobin Levels in Active and Passive Smokers in The Music Community Environment of Batu City. Jaringan Laboratorium Medis, [S. l.], v. 7, n. 1, p. 1–9, 2025. DOI: 10.31983/jlm.v7i1.12335. Disponível em: https://analis.poltekkes-smg.net/journal/index.php/jlm/article/view/159. Acesso em: 18 may. 2025.