title: [Courageous sister of mercy (on the centenary of the birth of Iu. Vrevskaia)].
mesh_terms: D002031:Bulgaria; D006676:History of Nursing; D049672:History, 19th Century; D012425:Russia (Pre-1917)
vernacular_title: Otvazhnaia sestra miloserdiia (k 100-letiiu so dnia rozhdeniia Iu. Vrevskoĭ).