title: Variation of activated partial thromboplastin time according to age and sex in a large population study:  analytical and clinical implications.
authors.forename: Giuseppe
authors.initials: G
authors.lastname: Lippi
authors.forename: Tiziana
authors.initials: T
authors.lastname: Meschi
authors.forename: Loris
authors.initials: L
authors.lastname: Borghi
mesh_terms: D000328:Adult; D000367:Age Factors; D000368:Aged; D015331:Cohort Studies; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D010314:Partial Thromboplastin Time / Q000706:statistics & numerical data*; D012189:Retrospective Studies; D012737:Sex Factors