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APA Citation
Vohra, R., Evison, F., Bejaj, I., Ray, D., Patel, P., & Pinkney, T. (n.d.). the effect of ethnicity on in-hospital mortality following emergency abdominal surgery: a national cohort study using Hospital Episode Statistics. Public health, 129(11), 1496–1502. http://access.bl.uk/ark:/81055/vdc_100029857876.0x00005d