Duffield, D. P., & Ashford, J. R. (1960). A Study of the Reproducibility of the Forced Vital Capacity of Coalworkers at Two Collieries in Scotland and Two Collieries in South Wales.
Citación estilo ChicagoDuffield, D. P., and J. R. Ashford. A Study of the Reproducibility of the Forced Vital Capacity of Coalworkers At Two Collieries in Scotland and Two Collieries in South Wales. 1960.
Cita MLADuffield, D. P., and J. R. Ashford. A Study of the Reproducibility of the Forced Vital Capacity of Coalworkers At Two Collieries in Scotland and Two Collieries in South Wales. 1960.
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