title: Pitfalls in the measurement of soluble forms of cell surface receptors.
authors.forename: N R
authors.initials: NR
authors.lastname: Ling
mesh_terms: D004797:Enzyme-Linked Immunosorbent Assay; D006801:Humans; D017464:Receptors, Complement 3d / Q000032:analysis*
chemical_list: D017464:Receptors, Complement 3d