Human plasma kininogens are identical with a-cysteine proteinase inhibitors. Evidence from immunological, enzymological and sequence data - Müller-Esterl, W; Fritz, H; Machleidt, W; Ritonaja, A; Brzin, J; Kotnik, M; Turk, V; Kellermann, J; Lottspeich, F (FEBS letters, 1985)