APA citiranje

MacDonald, T. T. (1997). Oxpentifylline, tumour necrosis factor-alpha and Crohn's disease.

Citação norma Chicago

MacDonald, T T. Oxpentifylline, Tumour Necrosis Factor-alpha and Crohn's Disease. 1997.

MLA citiranje

MacDonald, T T. Oxpentifylline, Tumour Necrosis Factor-alpha and Crohn's Disease. 1997.

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