title: Problems with transporting serum to the laboratory for cryoglobulin assay: a solution.
mesh_terms: D001800:Blood Specimen Collection / Q000379:methods*; D003450:Cryoglobulins / Q000032:analysis*; D006801:Humans; D012822:Silicon Dioxide; D013696:Temperature; D014867:Water
chemical_list: D003450:Cryoglobulins; D014867:Water; D012822:Silicon Dioxide