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Somroop S, Tongtawe P, Chaisri U, Tapchaisri P, Chongsa-nguan M, Srimanote P, Chaicumpa W. 2006. Traffic of antibody-secreting cells after immunization with a liposome-associated, CpG-ODN-adjuvanted oral cholera vaccine. Asian Pac J Allergy Immunol., 24(4):229-38.

K. Kamei, M. Asakura, S. Somroop, N. Hatanaka, A. Hinenoya, A. Nagita, N. Misawa, M. Matsuda, S. Nakagawa, and S. Yamasaki. 2014. A PCR-RFLP assay for the detection and differentiation of Campylobacter jejuni, C. coli, C. fetus, C. hyointestinalis, C. lari, C. helveticus and C. upsaliensis. J. Med. Microbiol., 63(5): 659-666.

W. Samosornsuk, K. Kamei, N. Hatanaka, T. Taguchi, M. Asakura, S. Somroop, N. Sugimoto, W. Chaicumpa and S. Yamasaki. 2015. A new variant of cytolethal distending toxin in a clinical isolate of Campylobacter hyointestinalis. J. Med. Microbiol., 64(10): 1124-1134.

K. Kamei, N. Hatanaka, M. Asakura, S. Somroop, W. Samosornsuk, A. Hinenoya, N. Misawa, S. Nakagawa and S. Yamasaki. 2015. Campylobacter hyointestinalis isolated from pigs produce multiple variants of biologically active cytolethal distending toxin. Infect. Immun., 83(11): 4304-4313.

N. Hatanaka, K. Kamei, S. Somroop, SP. Awasthi, M. Asakura, N. Misawa, A. Hinenoya, S. Yamasaki. A PCR-RFLP assay to detect and type cytolethal distending toxin (cdt) genes in Campylobacter hyointestinalis. J. Vet. Med. Sci. 79(2): 336-342, 2017.

S. Somroop, N. Hatanaka, SP. Awasthi, K. Okuno, M. Asakura, A. Hinenoya, S. Yamasaki. 2017. Campylobacter upsaliensis isolated from dogs produces high titer of cytolethal distending toxin. J. Vet. Med. Sci. 79(3): 683–691.

N. Hatanaka, A. Shimizu, S. Somroop, Y. Li, M. Asakura, A. Nagita, SP. Awasthi, A. Hinenoya, S. Yamasaki. 2017. High prevalence of Campylobacter ureolyticus in stool specimens of children with diarrhea in Japan. Jpn. J. Infect. Dis. doi: 10.7883/yoken.JJID.2016.428.

W. Wen, N. Hatanaka, S. Somroop, SP. Awasthi, A. Hinenoya, S. Yamasaki. 2024. Campylobacter fetus isolates from both human patients and healthy cattle carry three distinct cytolethal distending toxin (cdt) gene clusters. J. Vet. Med. Sci. Dec 1;86(12):1311-1318.