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APA Citation
Bertelli, M. O., Bianco, A., Rossi, A., Mancini, M., La Malfa, G., & Brown, I. (2019). impact of severe intellectual disability on proxy instrumental assessment of quality of life. Journal of intellectual & developmental disability, 44(3), 272–281. http://access.bl.uk/ark:/81055/vdc_100086222680.0x00001f