Comment on

• A rare case of idiopathic hypereosinophilic syndrome involving the oral cavity associated with the esophagus and gastrointestinal tract.

  Watanabe M, Matsui N, Hamada S, Ohuchi J, Shimohashi N, Katoh M, Kunisaki M, Tanabe Y, Hashimoto T, Yoshida K, Uryu H, Yamamoto H. Watanabe M, et al. Intern Med. 2004 Apr;43(4):336-9. doi: 10.2169/internalmedicine.43.336. Intern Med. 2004. PMID: 15168780