title: [Surprises of streptococcal infection].
authors.affiliation: Moscow Medical Academy of IM Sechenov.
authors.forename: V D
authors.initials: VD
authors.lastname: Beliakov
mesh_terms: D000818:Animals; D049670:History, 17th Century; D049671:History, 18th Century; D049672:History, 19th Century; D049673:History, 20th Century; D006801:Humans; D013290:Streptococcal Infections / Q000209:etiology / Q000266:history* / Q000628:therapy; D013291:Streptococcus / Q000302:isolation & purification