title: Poor performance of serum separator.
authors.forename: J
authors.initials: J
authors.lastname: Williams
authors.forename: F
authors.initials: F
authors.lastname: Goodwin
authors.forename: N
authors.initials: N
authors.lastname: Banatwala
mesh_terms: D000368:Aged; D001800:Blood Specimen Collection / Q000295:instrumentation*; D004868:Equipment Failure; D006801:Humans; D008297:Male; D009101:Multiple Myeloma / Q000097:blood