| CGRP-LI | Calcitonin gene related peptide-like immunoreactivity |
|---|---|
| CGRP-IR | Calcitonin gene-related peptide-like immunoreactivity |
| CLO | Campylobacter-Like Organisms |
| CCK-LI | Cholecystokinin-like immunoreactivity |
| CRF-LI | Corticotrophin releasing factor-like immunoreactivity |