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APA Citation
Urgesi, R., Pastorelli, A., Zampaletta, C., Masini, A., Pelecca, G., Faggiani, R., & Anti, M. (n.d.). obscure-occult bleeding: resolution of unexplained chronic sideropenic anaemia by colonoscopic removal of a colonic leiomyoma. BMJ case reports, 2011, . http://access.bl.uk/ark:/81055/vdc_100135548271.0x00000d