Isolation and properties of two forms of thrombin inhibitor from the nymphs of the camel tick Hyalomma dromedarii (Acari: Ixodidae)

Abstract
Two forms of the nymphal thrombin inhibitors (NTI) 3.2 kDaand 14.9 kDa were purified by chromatography on CM-cellulose,Sephacryl S-300 and Sephadex G-50 columns and designated NTI-1 and...