Zakariassen Erik, Hansen Elisabeth, & Hunskaar Steinar. (2009). Sentinel monitoring of activity of out-of-hours services in Norway in 2007: An observational study. BMC.
Chicago Style (17th ed.) CitationZakariassen Erik, Hansen Elisabeth, and Hunskaar Steinar. Sentinel Monitoring of Activity of Out-of-hours Services in Norway in 2007: An Observational Study. BMC, 2009.
MLA (9th ed.) CitationZakariassen Erik, et al. Sentinel Monitoring of Activity of Out-of-hours Services in Norway in 2007: An Observational Study. BMC, 2009.
Warning: These citations may not always be 100% accurate.