Supplier Page from Thermo Fisher Scientific for Aprotinin, from bovine lung
Cholecystokinin, CCK Octapeptide (26-33) from Thermo Fisher Scientific
Endothelin-1, human from Thermo Fisher Scientific
PACAP (6-27), human, ovine, rat from Thermo Fisher Scientific
Papain, Carica Papaya Latex from Thermo Fisher Scientific