@article{article76488b2d, title = {Ontogenetic changes in Phoneutria nigriventer (Araneae, Ctenidae) spider venom}, author = {Herzig, Volker and Ward, Richard John and Santos, Wagner Ferreira dos}, year = {2004}, doi = {10.1016/j.toxicon.2004.07.020}, journal = {Toxicon} }