STUDI ANALITIS PENURUNAN FORCED EXPIRATORY VOLUME IN 1 SECOND PADA PEKERJAAN PENYELAM. Faculty of Medicine, Tadulako University, P-ISSN: 2407-8441 and e-ISSN 2502-0749 2020, 6 (1), 13-20. https://doi.org/10.22487/htj.v6i1.97.