title: The 20 faces of the fourth component of complement.
authors.forename: A C
authors.initials: AC
authors.lastname: Chan
authors.forename: D R
authors.initials: DR
authors.lastname: Karp
authors.forename: D C
authors.initials: DC
authors.lastname: Shreffler
authors.affiliation: The Howard Hughes Medical Institute Laboratories, USA; Departments of Genetics and Medicine, Washington University School of Medicine, St Louis, MO 63110, USA.
authors.forename: J P
authors.initials: JP
authors.lastname: Atkinson