APA (7th ed.) Citation
Machado, F., Santiago, P., Barberousse, C., Barrios, E., & Carriquiry, L. A. (2002). Comparison of surgery results in two risk-adjusted populations through the POSSUM system.
Chicago Style (17th ed.) Citation
Machado, Fernando, Pablo Santiago, Carlos Barberousse, Enrique Barrios, and Luis A. Carriquiry. Comparison of Surgery Results in Two Risk-adjusted Populations Through the POSSUM System. 2002.
MLA (9th ed.) Citation
Machado, Fernando, et al. Comparison of Surgery Results in Two Risk-adjusted Populations Through the POSSUM System. 2002.
Warning: These citations may not always be 100% accurate.