S Momi, M Nasimi, M Colucci, GG Nenci, P Gresele. Low molecular weight heparins prevent thrombin-induced thrombo-embolism in mice despite low anti-thrombin activity. Evidence that the inhibition of feed-back activation of thrombin generation confers safety advantages over direct thrombin inhibition. Haematologica 2001;86(3):297-302; https://doi.org/10.3324/%x.