title: A diagnostic challenge: mild hemophilia B with normal activated partial thromboplastin time.
authors.affiliation: Department of Laboratory Medicine & Genetics, Sungkyunkwan University School of Medicine, Seoul, Korea.
authors.forename: Chang-Hun
authors.initials: CH
authors.lastname: Park
authors.forename: Ja-Young
authors.initials: JY
authors.lastname: Seo
authors.forename: Hee-Jin
authors.initials: HJ
authors.lastname: Kim
authors.forename: Jun Ho
authors.initials: JH
authors.lastname: Jang
authors.forename: Sun-Hee
authors.initials: SH
authors.lastname: Kim
mesh_terms: D000328:Adult; D005164:Factor IX / Q000235:genetics / Q000378:metabolism; D002836:Hemophilia B / Q000175:diagnosis* / Q000235:genetics; D006801:Humans; D008297:Male; D020125:Mutation, Missense; D010314:Partial Thromboplastin Time; D055815:Young Adult
chemical_list: D005164:Factor IX