Cita APA

Espeland, A., Natvig, N. L., Løge, I., Engebretsen, L., & Ellingsen, J. (2007). Magnetic resonance imaging of the knee in Norway 2002–2004 (national survey): Rapid increase, older patients, large geographic differences. BioMed Central.

Citación estilo Chicago

Espeland, Ansgar, Nils L. Natvig, Ingard Løge, Lars Engebretsen, y Jostein Ellingsen. Magnetic Resonance Imaging of the Knee in Norway 2002–2004 (national Survey): Rapid Increase, Older Patients, Large Geographic Differences. BioMed Central, 2007.

Cita MLA

Espeland, Ansgar, et al. Magnetic Resonance Imaging of the Knee in Norway 2002–2004 (national Survey): Rapid Increase, Older Patients, Large Geographic Differences. BioMed Central, 2007.