Complexes of tissue-type plasminogen activator and its serpin inhibitor plasminogen activator inhibitor type 1 are internalized by means of the low-density lipoprotein receptor related protein/α2-macroglobulin receptor - Orth, K; Madison, E L; Gething, M; Sambrook, J F; Herz, J (Proc Natl Acad Sci USA, 1992)