Cita APA

Calvert, G. M., Moore, M., & Hessl, S. M. (1991). Ventilatory function after exposure to various respirable hazards in a population of former coal miners.

Chicago Style Citation

Calvert, G M., M. Moore, i S M. Hessl. Ventilatory Function After Exposure to Various Respirable Hazards in a Population of Former Coal Miners. 1991.

Cita MLA

Calvert, G M., M. Moore, i S M. Hessl. Ventilatory Function After Exposure to Various Respirable Hazards in a Population of Former Coal Miners. 1991.