- Similarities and differences of snake venom nerve growth factorsTrummal, Katrin; Tõnismägi, Külli; Bragina, Olga; Paalme, Viiu; Järvekülg, Lilian; Siigur, Jüri; Siigur, Ene17th Congress of the European Section of the International Society on Toxinology : September 11-15,2011, Valencia, Spain : program & abstracts book2011 / p. 158