| CY | casein-yest autolysate [medium]; cyclophosphamide |
|---|---|
| CYL | casein yeast lactate |
| CDK | cell division kinase; climatic droplet keratopathy; cyclin-dependent kinase |
| PK | penetrating keratoplasty; pericardial knock; pharmacokinetics; pig kidney; Prausnitz-Kustner [reacti... |
| PNK | polynucleotide kinase; pyridoxine kinase |