title: [Bulgarian-Soviet Symposium on Rheumatology. Stara Zagora, October 9-10, 1987. Proceedings].
mesh_terms: D006801:Humans; D012216:Rheumatic Diseases
vernacular_title: Iz materialite na Bulgaro-suvetskiia simpozium po revmatologiia --9-10. X. 1987 g., Stara Zagora.