| CRL | cell repository line; Certified Record Librarian; complement receptor location; complement receptor ... |
|---|---|
| CTLL | cytotoxic lymphoid line |
| DIP | desquamative interstitial pneumonitis; diisopropyl phosphate; diisopropylamine; diphtheria; distal i... |
| DIRLINE | Directory of Information Resources On-Line |
| DOCLINE | Documents On-Line |