APA način citiranja

ElSayed, A., & Elnur, E. E. (2016). The rebirth of cardiac surgery in Sudan. Cardiovasc Diagn Ther.

Čikaški stil citiranja

ElSayed, Ahmed, i Elamin Elawad Elnur. "The Rebirth of Cardiac Surgery in Sudan." Cardiovasc Diagn Ther 2016.

MLA način citiranja

ElSayed, Ahmed, i Elamin Elawad Elnur. "The Rebirth of Cardiac Surgery in Sudan." Cardiovasc Diagn Ther 2016.

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