title: Angiotensin converting enzyme: a tumour marker in malignant histiocytosis.
mesh_terms: D000328:Adult; D006801:Humans; D008206:Lymphatic Diseases / Q000201:enzymology*; D008297:Male; D008875:Middle Aged; D007703:Peptidyl-Dipeptidase A / Q000097:blood*; D013160:Splenic Neoplasms / Q000201:enzymology*
chemical_list: D007703:Peptidyl-Dipeptidase A