[Nikolaĭ Alekseevich Lopatkin (on his 70th birthday)].
D013502:General Surgery / Q000266:history; D049673:History, 20th Century; D012426:Russia; D014586:USSR; D014572:Urology / Q000266:history
Nikolaĭ Alekseevich Lopatkin (k 70-letiiu so dnia rozhdeniia).