Zappulla, J. P., Wickham, L., Bawab, W., Yang, X., Storozhuk, M. V., Castellucci, V. F., & DesGroseillers, L. (1999). Cloning and Characterization of Aplysia Neutral Endopeptidase, a Metallo-Endopeptidase Involved in the Extracellular Metabolism of Neuropeptides in Aplysia californica. J Neurosci.

Zappulla, Jacques P., Louise Wickham, Wafa Bawab, Xiao-Feng Yang, Maksim V. Storozhuk, Vincent F. Castellucci, and Luc DesGroseillers. "Cloning and Characterization of Aplysia Neutral Endopeptidase, a Metallo-Endopeptidase Involved in the Extracellular Metabolism of Neuropeptides in Aplysia Californica." J Neurosci 1999.

Zappulla, Jacques P., et al. "Cloning and Characterization of Aplysia Neutral Endopeptidase, a Metallo-Endopeptidase Involved in the Extracellular Metabolism of Neuropeptides in Aplysia Californica." J Neurosci 1999.