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APA Citation
Westman, A., Rosén, M., Berggren, P., & Björnstig, U. (2008). parachuting from fixed objects: descriptive study of 106 fatal events in BASE jumping 1981–2006. British journal of sports medicine, 42(6), 431–436. http://access.bl.uk/ark:/81055/vdc_100135146670.0x000024