Citazione APA

Steen, T. W., Gyi, K. M., White, N. W., Gabosianelwe, T., Ludick, S., Mazonde, G. N., . . . Schierhout, G. (1997). Prevalence of occupational lung disease among Botswana men formerly employed in the South African mining industry.

Stile di citazione Chicago

Steen, T W., et al. Prevalence of Occupational Lung Disease Among Botswana Men Formerly Employed in the South African Mining Industry. 1997.

Citazione MLA

Steen, T W., et al. Prevalence of Occupational Lung Disease Among Botswana Men Formerly Employed in the South African Mining Industry. 1997.

Attenzione: Queste citazioni potrebbero non essere precise al 100%.