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APA Citation
Nicholson, A., Campbell, R., Brookes, S., Costelloe, C., Chittleborough, C., Bell, S., Noble, S., & Young, E. (n.d.). oP22 Hand Hygiene and absenteeism in primary schools; a Cluster Randomised Controlled Trial. Journal of epidemiology and community health, 68, A14. http://access.bl.uk/ark:/81055/vdc_100135543077.0x00002d