title: Radioimmunoassay of relaxin.
mesh_terms: D000818:Animals; D000918:Antibody Specificity; D005260:Female; D005865:Gestational Age; D007743:Labor, Obstetric; D011247:Pregnancy; D011270:Pregnancy, Animal; D011863:Radioimmunoassay; D051381:Rats; D012065:Relaxin / Q000032:analysis* / Q000276:immunology; D013045:Species Specificity; D013552:Swine; D013997:Time Factors
chemical_list: D012065:Relaxin