title: Von Willebrand factor activity in normal subjects: sex difference and variability.
mesh_terms: D000328:Adult; D000367:Age Factors; D000368:Aged; D001779:Blood Coagulation Factors / Q000032:analysis*; D002940:Circadian Rhythm; D004435:Eating; D005215:Fasting; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D005082:Physical Exertion; D012737:Sex Factors; D014841:von Willebrand Factor / Q000032:analysis*
chemical_list: D001779:Blood Coagulation Factors; D014841:von Willebrand Factor