title: [On the occasion of the 90th anniversary of the birth of K.I. Akulov].
mesh_terms: D000846:Anniversaries and Special Events; D049673:History, 20th Century; D049674:History, 21st Century; D006801:Humans; D006920:Hygiene / Q000266:history*; D012426:Russia; D012499:Sanitation / Q000266:history*