ZENENKO BETJENING
Zenenko Dmitry Viktorovich og Zenenko Nikolai Viktorovich (brødre) i 1962 under deres praktik i medicin. universitet (Kuban State Medical Academy), under ledelse af professor Vladislav Alekseevich Neroev - leder. Afdeling for øjensygdomme (Krasnodar afdeling
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