[Development and current status of the Institute of Internal Diseases].
D002031:Bulgaria; D049672:History, 19th Century; D049673:History, 20th Century; D007388:Internal Medicine / Q000193:education / Q000266:history*; D012106:Research / Q000266:history; D012577:Schools, Medical / Q000266:history*
Razvitie i segashno sŭstoianie na Instituta po vŭtreshni bolesti.