title: Non-specific serum/plasma response in radioimmunoassay of pregnancy-specific beta 1-glycoprotein (SP1) in healthy, non-pregnant subjects.
mesh_terms: D000645:Ammonium Sulfate; D011232:Chemical Precipitation; D002852:Chromatography, Ion Exchange; D003165:Complement System Proteins / Q000032:analysis; D003429:Cross Reactions; D005189:False Positive Reactions; D005260:Female; D006801:Humans; D008297:Male; D010949:Plasma / Q000032:analysis; D011257:Pregnancy Proteins / Q000032:analysis*; D011268:Pregnancy-Specific beta 1-Glycoproteins / Q000032:analysis* / Q000302:isolation & purification; D011863:Radioimmunoassay / Q000379:methods; D012015:Reference Standards; D013048:Specimen Handling
chemical_list: D011257:Pregnancy Proteins; D011268:Pregnancy-Specific beta 1-Glycoproteins; D003165:Complement System Proteins; D000645:Ammonium Sulfate