A study of the carrier state for plasma thromboplastin component (PTC, Christmas factor) deficiency, utilizing a new assay procedure.
D001681:Biological Assay; D002353:Carrier State; D005164:Factor IX; D006467:Hemophilia A / Q000235:genetics*; D006801:Humans; D008511:Medicine
D005164:Factor IX
HEMOPHILIA/genetics