APA citiranje

Wren, C., & Petch, M. C. (1983). Calcific Aortic Stenosis. J R Coll Physicians Lond.

Citação norma Chicago

Wren, C., and M. C. Petch. "Calcific Aortic Stenosis." J R Coll Physicians Lond 1983.

MLA citiranje

Wren, C., and M. C. Petch. "Calcific Aortic Stenosis." J R Coll Physicians Lond 1983.

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