APA Citation

English, T. A. H., de Bono, A. H. B., & Milstein, B. B. (1978). Heart valve replacement in the elderly.

Citação norma Chicago

English, T A H., A H B. de Bono, and B B. Milstein. Heart Valve Replacement in the Elderly. 1978.

MLA Citation

English, T A H., A H B. de Bono, and B B. Milstein. Heart Valve Replacement in the Elderly. 1978.

Advarsel: Disse citationer er muligvist ikke 100% nøjagtige.