APA citiranje

Cockcroft, A., & Andersson, N. (1987). Radiological irregular opacities and coalwork exposure: A case-referent study.

Citação norma Chicago

Cockcroft, A., and N. Andersson. Radiological Irregular Opacities and Coalwork Exposure: A Case-referent Study. 1987.

MLA citiranje

Cockcroft, A., and N. Andersson. Radiological Irregular Opacities and Coalwork Exposure: A Case-referent Study. 1987.

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