Surfactant Protein D Level in Cement Workers. Jurnal Respirologi Indonesia, [S. l.], v. 42, n. 3, p. 218–225, 2022. DOI: 10.36497/jri.v42i3.280. Disponível em: http://www.jurnalrespirologi.org/index.php/jri/article/view/280. Acesso em: 16 jul. 2025.