title: Plasma and tumor levels of somatostatin (SRIF) and somatostatin immunochemistry in medullary thyroid carcinoma: apparently discrepant preliminary results.
mesh_terms: D002116:Calcitonin / Q000097:blood; D002272:Carcinoembryonic Antigen / Q000032:analysis; D002277:Carcinoma / Q000032:analysis* / Q000097:blood; D006801:Humans; D007124:Immunoenzyme Techniques; D010455:Peptides / Q000032:analysis* / Q000097:blood; D011863:Radioimmunoassay; D013004:Somatostatin / Q000032:analysis* / Q000097:blood; D013964:Thyroid Neoplasms / Q000032:analysis* / Q000097:blood
chemical_list: D002272:Carcinoembryonic Antigen; D010455:Peptides; C029993:somatostatin-like peptides; D013004:Somatostatin; D002116:Calcitonin