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Cassell, Robert J., Kendall L. Mores, Breanna L. Zerfas, Amr H. Mahmoud, Markus A. Lill, Darci J. Trader, and Richard M. van Rijn. "Rubiscolins Are Naturally Occurring G Protein-biased Delta Opioid Receptor Peptides." Eur Neuropsychopharmacol 2018.

Cassell, Robert J., et al. "Rubiscolins Are Naturally Occurring G Protein-biased Delta Opioid Receptor Peptides." Eur Neuropsychopharmacol 2018.