title: [Similarity of serum proteins, immunoglobulins, and protease inhibitors in twins].
mesh_terms: D000293:Adolescent; D001798:Blood Proteins / Q000032:analysis*; D005260:Female; D006801:Humans; D007136:Immunoglobulins / Q000032:analysis*; D008297:Male; D011247:Pregnancy; D011480:Protease Inhibitors / Q000097:blood*; D012737:Sex Factors; D014427:Twins; D014429:Twins, Dizygotic; D014430:Twins, Monozygotic
chemical_list: D001798:Blood Proteins; D007136:Immunoglobulins; D011480:Protease Inhibitors