Dale, H. F., C. Jensen, T. Hausken, E. Lied, J. G. Hatlebakk, I. Brønstad, D. A. L. Hoff, and G. A. Lied. “Acute Effect of a Cod Protein Hydrolysate on Postprandial Acylated Ghrelin Concentration and Sensations Associated With Appetite in Healthy Subjects: A Double-Blind Crossover Trial”. Food & Nutrition Research, vol. 63, Oct. 2019, doi:10.29219/fnr.v63.3507.