Baharuddin S, Roestam AW, Yunus F, Ikhsan M, Kekalih A. J Respir Indones. 2010;30(1). Scope and methodology Spirometry is designed to identify and quantify functional abnormalities of the respiratory system. Exposure of occupational inhalants can result in irritant, fibrotic, allergic, infectious, carcinogenic, and systemic effects to human. Some irritants produce no systemic effect because the […]