Kato S, Yamamoto R, Yoshimitsu S, et al. (2005). "Herpes simplex esophagitis in the immunocompetent host". Diseases of the Esophagus. 18 (5): 340–4. doi:10.1111/j.1442-2050.2005.00510.x. PMID16197537.
Kato S, Yamamoto R, Yoshimitsu S, et al. (2005). "Herpes simplex esophagitis in the immunocompetent host". Diseases of the Esophagus. 18 (5): 340–4. doi:10.1111/j.1442-2050.2005.00510.x. PMID16197537.