title: Need for human relaxin.
mesh_terms: D005260:Female; D006801:Humans; D007743:Labor, Obstetric; D010920:Placenta / Q000032:analysis; D011247:Pregnancy; D011863:Radioimmunoassay; D012065:Relaxin / Q000276:immunology / Q000302:isolation & purification* / Q000627:therapeutic use
chemical_list: D012065:Relaxin