Prospective monitoring improves outcomes of primary total hip replacement: a cohort study
Philipp N Streubel, Marcela Pachón, Carlos A Kerguelén, José Navas, Julio Portocarrero, Rodrigo F Pesantez, Gamal Zayed, Germán Carrillo, and Adolfo M Llinás
Patient Saf Surg. 2009; 3: 7. Published online 2009 April 14. doi: 10.1186/1754-9493-3-7.PMCID: PMC2674031