title: Contribution of Shibasaburo Kitasato to the improvement of smallpox vaccine in Japan.
authors.forename: M
authors.initials: M
authors.lastname: Soekawa
mesh_terms: D000486:Allergy and Immunology / Q000266:history*; D049711:History, Modern 1601-; D007564:Japan; D012899:Smallpox / Q000266:history*