title: Plasma inhibition of activated plasma thromboplastin antecedent (factor XIa) in pregnancy.
mesh_terms: D000510:Alpha-Globulins / Q000032:analysis; D001769:Blood; D002498:Centrifugation; D003169:Complement Inactivator Proteins; D003956:Dialysis; D005172:Factor XI / Q000037:antagonists & inhibitors*; D005260:Female; D006801:Humans; D008722:Methods; D011247:Pregnancy; D013997:Time Factors
chemical_list: D000510:Alpha-Globulins; D003169:Complement Inactivator Proteins; D005172:Factor XI