. . "2001-11-03Z"^^ . . . . "Georgy L. Ratner (1923\u20132001) was a Russian surgeon, head of surgery at Samara State Medical University, and the founder of a school of vascular and heart surgeons in Russia."@en . . "1923Z"^^ . . . "1923-09-01Z"^^ . "Georgy Ratner"@en . . "2001Z"^^ . "Ratner, Georgy L."@en . . . . . "Russian surgeon" . .