APA citiranje

Freeman, R., & Hjersing, N. (1980). Bacterial culture of perfusion blood after open-heart surgery.

Citação norma Chicago

Freeman, R., and N. Hjersing. Bacterial Culture of Perfusion Blood After Open-heart Surgery. 1980.

MLA citiranje

Freeman, R., and N. Hjersing. Bacterial Culture of Perfusion Blood After Open-heart Surgery. 1980.

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