| NEJM | New England Journal of Medicine |
|---|---|
| PDC | parkinsonism dementia complex; pediatric cardiology; penta-decylcatechol; phosducin; physical depend... |
| PdC | pediatric cardiology |
| CEC | central echo complex; ciliated epithelial cell; Commission of the European Community |
| CEE | Central European encephalitis; chick embryo extract |