1. Dust disease in hemp workers;Barbero;Arch. Environ. Health.,1967
2. Byssinosis in hemp workers;Bouhuys;Arch. Environ. Health,1967
3. A report on a Conference on Byssinosis;Schilling,1964
4. Byssinosis in the united States;Bouhuys;New England J. Med.,1967
5. Statistical Methods Applied to Experiments in Agriculture and Biology;Snedecor,1956