@article{oai:nagasaki-u.repo.nii.ac.jp:00025387, author = {Itakura, Hideyo}, issue = {4}, journal = {熱帯医学 Tropical medicine}, month = {Mar}, note = {熱帯医学 Tropical medicine 40(4). p167-170, 1999}, pages = {167--170}, title = {Introductory Remarks}, volume = {40}, year = {1999} }