Nerve growth factor from Vipera lebetina venomPaalme, Viiu; Trummal, Katrin; Samel, Mari; Tõnismägi, Külli; Järvekülg, Lilian; Vija, Heiki; Subbi, Juhan; Siigur, Jüri; Siigur, EneToxicon2009 / 3, p. 329-336 : ill https://www.sciencedirect.com/science/article/pii/S0041010109002438