title: [Little known correspondence of the N.I and A. A. Pirogov family with T. Billroth].
authors.forename: Iu L
authors.initials: IuL
authors.lastname: Shevchenko
authors.forename: M N
authors.initials: MN
authors.lastname: Kozovenko
authors.forename: S I
authors.initials: SI
authors.lastname: Trikhina
mesh_terms: D001317:Austria; D015709:Correspondence as Topic; D005197:Famous Persons; D013502:General Surgery / Q000266:history*; D049671:History, 18th Century; D012426:Russia