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APA Citation
Krleža-Jerić, K., Chan, A., Dickersin, K., Sim, I., Grimshaw, J., & Gluud, C. (2005). principles for international registration of protocol information and results from human trials of health related interventions: Ottawa statement (part 1). BMJ, 330(7497), 956–958. http://access.bl.uk/ark:/81055/vdc_100177582234.0x000032