title: beta 1-glycoprotein (SP-1) in maternal serum as a diagnostic aid in ectopic pregnancy.
mesh_terms: D000006:Abdomen, Acute / Q000175:diagnosis; D003937:Diagnosis, Differential; D005260:Female; D006801:Humans; D007124:Immunoenzyme Techniques; D011247:Pregnancy; D011257:Pregnancy Proteins / Q000276:immunology*; D011271:Pregnancy, Ectopic / Q000175:diagnosis*; D011268:Pregnancy-Specific beta 1-Glycoproteins / Q000276:immunology*; D013997:Time Factors
chemical_list: D011257:Pregnancy Proteins; D011268:Pregnancy-Specific beta 1-Glycoproteins