This definition appears rarely
See other definitions of EPL
Samples in periodicals archive:
Hamilton KA, Heinbockel T, Hayar A, Szabo G, Erdelyi F, Ennis M. Functional properties of interneurons in the external plexiform layer of the olfactory bulb. Program# 821. 7 (33rd Annual Meeting of the Society for Neuroscience, New Orleans, November 2003, Abstract).