| AC-DC, ac/dc | alternating current or direct current |
|---|---|
| CC | calcaneal-cuboid; calcium cyclamate; cardiac catheterization; cardiac contusion; cardiac cycle; card... |
| CS | calf serum; campomelic syndrome; carcinoid syndrome; cardiogenic shock; caries-susceptible; carotid ... |
| CDI | cell-directed inhibitor; central or chronic diabetes insipidus; Children's Depression Inventory; col... |
| DIDMOA | diabetes insipidus-diabetes mellitus-optic atrophy [syndrome] |