title: A case of IgM antibodies which inhibit the contact activation of blood coagulation.
mesh_terms: D000368:Aged; D000818:Animals; D000906:Antibodies; D001777:Blood Coagulation; D005172:Factor XI / Q000037:antagonists & inhibitors; D005174:Factor XII / Q000037:antagonists & inhibitors; D005260:Female; D006041:Goats; D006487:Hemostasis; D006801:Humans; D007075:Immunoglobulin M; D008623:Mercaptoethanol / Q000494:pharmacology
chemical_list: D000906:Antibodies; D007075:Immunoglobulin M; D008623:Mercaptoethanol; D005174:Factor XII; D005172:Factor XI