title: Sweet-potato washing revisited: 50th anniversary of the Primates article.
authors.affiliation: Primate Research Institute, Kyoto University, Inuyama, Japan. matsuzawa.tetsuro.8w@kyoto-u.ac.jp.|Japan Monkey Centre, Inuyama, Japan. matsuzawa.tetsuro.8w@kyoto-u.ac.jp.
authors.forename: Tetsuro
authors.initials: T
authors.lastname: Matsuzawa
mesh_terms: D000818:Animals; D003469:Culture; D027723:Ipomoea batatas; D008251:Macaca / Q000523:psychology*