特異性：SS-A (Ro) Antigen Shows only the SSA precipitate band when tested using double immunodiffusion against bovine spleen extract. Specificity is verified by identity of precipitation with CDC-AF reference serum. Titer will vary with test system; however, u
純度：Single donor human plasma is delipidized and defibrinated. An immunoglobulin fraction is then precipitated and collected.
形状：Purified, Lyophilized Reconstitute with 2ml deionized water.
