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APA Citation
Merlo, D. F., Knudsen, L. E., Matusiewicz, K., Niebrój, L., & Vähäkangas, K. H. (2007). ethics in studies on children and environmental health. Journal of medical ethics, 33(7), 408–413. http://access.bl.uk/ark:/81055/vdc_100137791868.0x000017