[100th anniversary of the visit of N. I. Pirogov to Bulgaria (1877-1977)].
D002031:Bulgaria; D013502:General Surgery; D006666:History of Medicine; D008887:Military Medicine; D012011:Red Cross; D012425:Russia (Pre-1917); D014586:USSR; D014857:Warfare
k 100-letiiu prebyvaniia N. I. Pirogova v Bolgarii (1877-1977)