Katoh M, Katoh M (May 2003). "CLDN23 gene, frequently down-regulated in intestinal-type gastric cancer, is a novel member of CLAUDIN gene family". Int J Mol Med. 11 (6): 683–9. doi:10.3892/ijmm.11.6.683. PMID12736707.
Katoh M, Katoh M (May 2003). "CLDN23 gene, frequently down-regulated in intestinal-type gastric cancer, is a novel member of CLAUDIN gene family". Int J Mol Med. 11 (6): 683–9. doi:10.3892/ijmm.11.6.683. PMID12736707.