- Clolar
- Clomid
- clomiphene citrate
- clonidine
- clonidine hydrochloride
- clopidogrel bisulfate
- Cloretazine
- Clostridium difficile
- Clostridium novyi-NT spores
- clotrimazole
- CMF
- CMF regimen
- CML
- CMML
- CMV
- CMV N495 peptide
- CMV pp65 peptide
- CMVpp65-A*0201 peptide vaccine
- CNGRC peptide-TNF alpha conjugate
- cnicin
- CNS
- CNS metastasis
- CNS PNET
- CNS prophylaxis
- CNS sanctuary therapy
- CNS tumor
- CNTO 328
- co-culture
- Co-Rax
- co-trimoxazole
- coactivated T cell
- cobalamin
- cobalt 60
- Cocculus / nux vomica / tabacum / petroleum extract
- coccyx
- Cockayne syndrome
- codeine phosphate
- coenzyme Q10
- CoFactor
- coffee enema
- cognition
- cognitive behavior therapy
- cognitive therapy
- cohort
- cohort study
- COL-3
- COL18A1
- colchicine
- cold ischemia
- cold ischemia time