title: Celebrating the 40th anniversary of the Japan Shoulder Society.
authors.affiliation: Sendai, Japan. Electronic address: itoi-eiji@med.tohoku.ac.jp.
authors.forename: Eiji
authors.initials: E
authors.lastname: Itoi
authors.affiliation: Kyoto, Japan. Electronic address: kurokawa0390d@suita.saiseikai.or.jp.
authors.forename: Masao
authors.initials: M
authors.lastname: Kurokawa
mesh_terms: D000846:Anniversaries and Special Events; D049673:History, 20th Century; D049674:History, 21st Century; D006801:Humans; D007564:Japan; D009985:Orthopedics / Q000193:education / Q000266:history*; D012782:Shoulder / Q000601:surgery*; D012955:Societies, Medical / Q000266:history*