[Jubilee scientific session of the Scientific Institute of Internal Diseases, Medical Academy, on the 70th anniversary of the Great October Socialist Revolution. Sofia, October 9, 1987. Proceedings].
D006801:Humans; D007388:Internal Medicine
Iz materialite na Iubileĭnata nauchna sesiia na Nauchniia institut povutreshni bolesti pri Maditsinskata akademiia po sluchaĭ 70. godishnina na Velikata oktombriĭska sotsialisticheska revoliutsiia-- 9. X. 1987 g., Sofiia.