1. Roussev GK Triffonov BB Petrov MC Boshev HA A method for isolation of substances with morphogenetic activity 1986 1 6
2. Isolation and action of enterocytogenins. F.E.C.S. Fifth International Conference on Chemistry and Biotechnology of Biologically Active Natural Products;Triffonov;Bulgarian Academy of Sciences, Institute of Organic Chemistry,1989
3. Increase of membrane conductance by adrenaline in the smooth muscle of guinea-pig taenia coli;Bulbring;Pric Soc (Lond),1969
4. Effect of indomethacin on contractions of ileum of guinea-pig caused by PGE1, PGE2, and other spasmogens;Radomirov;C R Acad Bulg Sci,1979