Lewis, R. V., Stern, A. S., Kimura, S., Stein, S., & Udenfriend, S. (1980). Enkephalin biosynthetic pathway: Proteins of 8000 and 14,000 daltons in bovine adrenal medulla.

Lewis, R V., A S. Stern, S. Kimura, S. Stein, و S. Udenfriend. Enkephalin Biosynthetic Pathway: Proteins of 8000 and 14,000 Daltons in Bovine Adrenal Medulla. 1980.

Lewis, R V., et al. Enkephalin Biosynthetic Pathway: Proteins of 8000 and 14,000 Daltons in Bovine Adrenal Medulla. 1980.