five carcinoid tumors of the thymus were screened immunohistochemically for the occurrence of neuropeptides ( acth , calcitonin , calcitonin gene-related peptide , cholecystokinin , gastrin , neurotensin , somatostatin , substance p ) , as well as of serotonin , chromogranin a , and neuron-specific enolase .
C0027895
neuropeptides
C0006668
calcitonin