title: SERUM LEVELS OF CYSTINE AMINOPEPTIDASE, LEUCINE AMINOPEPTIDASE, AND ALKALINE PHOSPHATASE IN SINGLE AND TWIN PREGNANCIES.
mesh_terms: D000469:Alkaline Phosphatase; D000626:Aminopeptidases; D001774:Blood Chemical Analysis; D003553:Cystine; D010122:Cystinyl Aminopeptidase; D005260:Female; D006801:Humans; D007931:Leucyl Aminopeptidase; D011247:Pregnancy; D011272:Pregnancy, Multiple; D059285:Pregnancy, Twin
chemical_list: D003553:Cystine; D000469:Alkaline Phosphatase; D000626:Aminopeptidases; D007931:Leucyl Aminopeptidase; D010122:Cystinyl Aminopeptidase
keywords: ALKALINE PHOSPHATASE; AMINOPEPTIDASES; BLOOD CHEMICAL ANALYSIS; CYSTINE; LEUCINE AMINOPEPTIDASE; PREGNANCY; PREGNANCY, MULTIPLE