Cite

    C. Grinsvall et al.. “Psychological factors selectively upregulate rectal pain perception in hypersensitive patients with irritable bowel syndrome.” Neurogastroenterology & motility, vol. 27, no. 12, n.d., pp. 1604–1614. http://access.bl.uk/ark:/81055/vdc_100027971755.0x000003