SpringerLink (Online service), Gagner, M., Schein, M., & Assalia, A. Controversies in laparoscopic surgery.
Čikaški stil citiranja (17. izdanje)SpringerLink (Online service), Michel Gagner, Moshe Schein, i Ahmad Assalia. Controversies in Laparoscopic Surgery.
MLA način citiranja (8. izdanje)SpringerLink (Online service), et al. Controversies in Laparoscopic Surgery.
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