Naĭ-chesti sŭrdechno-sŭdovi zaboli͡a︡vanii͡a︡
By: A. Simeonov.
Contributors: Institut za zdravna prosveta (Sofia, Bulgaria)
Series: V pomosht na lektora
Publisher: Institut za zdravna prosveta
Published: 1977
Place of publication: Sofii͡a︡
Language: bul
Number of pages: 38
Subjects: Cardiovascular system -- Diseases.
Notes: At head of title: Ministerstvo na narodnoto zdrave.