. In the context of medical history in the USSR, "okru" (окру) often appears in citations related to medical conferences or regional studies (e.g., from a specific or district). Net-Film.ru
1982 Soviet educational medical film titled "Варикоцеле у детей" (Varicocele in Children), which was produced by the "Tsentrnauchfilm" (Central Science Film) studio Net-Film.ru Film Overview: " Varicocele in Children varikotsele u detey 1982 okru
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