title: Kinetic determination of serum oxytocinase in last trimester of pregnancy.
mesh_terms: D000626:Aminopeptidases / Q000097:blood*; D003553:Cystine; D005260:Female; D005865:Gestational Age; D006801:Humans; D008722:Methods; D010121:Oxytocin; D011247:Pregnancy; D013053:Spectrophotometry
chemical_list: D003553:Cystine; D010121:Oxytocin; D000626:Aminopeptidases