1. B. A. Freeman and J. D. Crapo,Lab. Invest.,47, 412–426 (1982).
2. B. Hammond and M. L. Hess,J. Am. Coll. Cardiol. 6, 215–220 (1985).
3. W. G. Hoekstra,Fed. Proc. 34, 2083–2089 (1975).
4. V. Bergmann,Arch. Exp. Veterinaermed. 24, 935–949 (1970).
5. V. Bergmann,Arch. Exp. Veterinaermed. 26, 646–660 (1972).