The proenkephalin A-processing product peptide E, which encompasses two enkephalin sequences, has a much lower opioid activity than @b-endorphin - isolation, structure and biologic activity of an amidated opioid octapeptide from bovine brain

MLA

Condamine, E., et al. “The Proenkephalin A-Processing Product Peptide E, Which Encompasses Two Enkephalin Sequences, Has a Much Lower Opioid Activity than @b-Endorphin - Isolation, Structure and Biologic Activity of an Amidated Opioid Octapeptide from Bovine Brain.” Peptides, vol. 20, no. 7, Jan. 1999, pp. 865–71. EBSCOhost, https://doi.org/10.1016/S0196-9781(99)00074-1.

APA

Condamine, E., Leprince, J., Suaudeau, C., Mayer, C., Davoust, D., Costentin, J., & Vaudry, H. (1999). The proenkephalin A-processing product peptide E, which encompasses two enkephalin sequences, has a much lower opioid activity than @b-endorphin - isolation, structure and biologic activity of an amidated opioid octapeptide from bovine brain. Peptides, 20(7), 865–871. https://doi.org/10.1016/S0196-9781(99)00074-1

Chicago

Condamine, E., J. Leprince, C. Suaudeau, C. Mayer, D. Davoust, J. Costentin, and H. Vaudry. 1999. “The Proenkephalin A-Processing Product Peptide E, Which Encompasses Two Enkephalin Sequences, Has a Much Lower Opioid Activity than @b-Endorphin - Isolation, Structure and Biologic Activity of an Amidated Opioid Octapeptide from Bovine Brain.” Peptides 20 (7): 865–71. doi:10.1016/S0196-9781(99)00074-1.