Clarsund, Mats. "Evaluation of ColdZyme Mouth Spray for the Protection against Common Cold in Elite Athletes to Reduce Unwanted Absence from Training and Competition." Open Journal of Respiratory Diseases 7.03 (2017): 103.

Clarsund, Mats, and Christina Bråkenhielm Persson. "Evaluation of ColdZyme Mouth Spray against Common Cold in Elderly Care Personnel." Open Journal of Respiratory Diseases (2017).

Clarsund, Mats, Ulf Blom, and Ann Gardulf. "Evaluation of ColdZyme® Mouth Spray on prevention of upper respiratory tract infections in a boy with primary immunodeficiency: a case report." Journal of medical case reports 10.1 (2016): 302.

Clarsund, M., Fornbacke, M., Uller, L. and Ahlström Emanuelsson, C. (2014) Common cold prophylaxis using ColdZyme mouth spray. Presented at XXXII Congress of the Nordic Association of Otolaryngology, 22–24 May 2014.

Gudmundsdóttir, Ágústa, Hilmar Hilmarsson, and Bjarki Stefansson. "Potential Use of Atlantic Cod Trypsin in Biomedicine." BioMed research international 2013 (2013).

Fornbacke, Marcus, and Mats Clarsund. "Cold-adapted proteases as an emerging class of therapeutics." Infectious diseases and therapy 2.1 (2013): 15-26.

Stefansson, Bjarki, et al. "Characterization of cold-adapted Atlantic cod (Gadus morhua) trypsin I - Kinetic parameters, autolysis and thermal stability." Comparative Biochemistry and Physiology Part B: Biochemistry and Molecular Biology 155.2 (2010): 186-194.

Guðmundsdóttir, A., and J. Bjarnason. "Applications of cold-adapted proteases in the food industry." Novel enzyme technology for food applications (2007): 205.

Jónsdóttir, Gudrún, Jón Bragi Bjarnason, and Ágústa Gudmundsdóttir. "Recombinant cold-adapted trypsin I from Atlantic cod - expression, purification, and identification." Protein expression and purification 33.1 (2004): 110-122

Kristjánsson, Magnús M., Bjarni Ásgeirsson, and Jón B. Bjarnason. Serine proteinases from cold-adapted organisms. Springer US, 1997.

Asgeirsson, Bjarni, Einar Mäntylä, and Jón Bragi Bjarnason. "Isolation, Characterization and Utilization of Psychrophilic Proteinases from Atlantic Cod." Bioorganic Chemistry in Healthcare and Technology. Springer US, 1991. 299-302.

Ásgeirsson, Bjarni, and Jón Bragi Bjarnason. "Structural and kinetic properties of chymotrypsin from Atlantic cod (Gadus morhua). Comparison with bovine chymotrypsin." Comparative Biochemistry and Physiology Part B: Comparative Biochemistry 99.2 (1991): 327-335.

Ágeirsson, Bjarni, Jay W. FOX, and Jón B. BJARNASON. "Purification and characterization of trypsin from the poikilotherm Gadus morhua." European journal of biochemistry 180.1 (1989): 85-94.