FerrisBG (principal investigator). Epidemiology standardization project. Am Rev Respir Dis1978;118 (6, part 2:55–88).
2.
American College of Chest Physicians (ACCP). Respiratory Pathophysiology Section Report. Statement on spirometry. Chest1983;83:547–550.
3.
American Thoracic Society (ATS). Snowbird workshop on standardization of spirometry. Am Rev Respir Dis1979;119:831–838.
4.
Department of Labor20 CFR Part 718. Standards for determining coal miners' total disability or death due to pneumoconiosis. Federal Register, 1980;45 (42):13681–13682.