title: The evolution of vertebrate blood coagulation: a case of Yin and Yang.
authors.affiliation: Center for Molecular Genetics, University of California, San Diego, La Jolla 92093-0634.
authors.forename: R F
authors.initials: RF
authors.lastname: Doolittle
mesh_terms: D000818:Animals; D001097:Arachnida; D001777:Blood Coagulation / Q000502:physiology*; D003201:Computers; D003445:Crustacea; D004447:Echinodermata; D006801:Humans; D014714:Vertebrates / Q000097:blood*