title: "Indeterminate lupus anticoagulant" as the third category.
authors.affiliation: Department of Laboratory Medicine, Asan Medical Center and University of Ulsan College of Medicine, 86, Asanbyungwon-gil, Songpa-gu, Seoul 138-736, Korea.
authors.forename: Sang Hyuk
authors.initials: SH
authors.lastname: Park
authors.forename: Seongsoo
authors.initials: S
authors.lastname: Jang