| Abbreviations | Meaning |
 | CJAP | Canadian Journal Of Applied Physiology |
 | CJASN | Clinical Journal Of The American Society Of Nephrology |
 | CJDH / JCHD | Canadian Journal Of Dental Hygiene / Journal Canadien De L'Hygiène Dentaire |
 | CJE | Council For Jewish Elderly |
 | CJEM / JCMU | Canadian Journal Of Emergency Medicine / Journal Canadien De Médecine D'Urgence |
 | CJID | Canadian Journal Of Infectious Diseases |
 | CJNR | Canadian Journal Of Nursing Research. |
 | CJNS | Canadian Journal Of Neurological Sciences. Journal Canadien Des Sciences Neurologiques |
 | CJO | Collège Des Jeunes Orthopédistes |
 | CJON | Clinical Journal Of Oncology Nursing |
 | CJONA | Canadian Journal Of Nursing Administration |
 | CJONL | Canadian Journal Of Nursing Leadership |
 | CJRM | Canadian Journal Of Rural Medicine. Journal Canadien De La Médecine Rurale. |
 | CJRT | Canadian Journal Of Respiratory Therapy |
 | CJS | Canadian Journal Of Surgery. Journal Canadien De Chirurgie |
 | CLA | Children's Liver Alliance |
 | CLA / APC | Canadian Lung Association / Association Pulmonaire Du Canada |
 | CLAA | Canadian Latex Allergy Association |
 | CLAE / LCCE | Canadian League Against Epilepsy / Ligue Canadienne Contre L'épilepsie |
 | CLAHP | Comité De Liaison Et D'Action De L'Hospitalisation Privée |
 | CLAO | Contact Lens Association Of Ophthalmologists |
 | CLARPA | Comité De Liaison Des Associations De Retraités Et De Personnes Agées |
 | CLAS | Clinical Ligand Assay Society |
 | CLAS | Culturally And Linguistically Appropriate Services In Health Care |
 | CLASA | Confederación Latinoamericana De Sociedades De Anestesiología |
 | CLASS | Clinical Anatomy Interactive Lesson |
 | CLCC | Centre De Lutte Contre Le Cancer |
 | CLDF | Children's Liver Disease Foundation |
 | CLEIRPPA | Centre De Liaison, D'Étude, D'Information Et De Recherche Sur Les Problèmes Des Personnes Agées |
 | CLEIRSIH | Centre De Liaison, D'Études, De Recherches Et D'Information Sur Les Systèmes D'Information Hospitaliers |
 | CLEK | Collaborative Longitudinal Evaluation Of Keratoconus Study |
 | CLF | Children's Leukemia Foundation Of Michigan |
 | CLF / FCF | Canadian Liver Foundation / Fondation Canadienne Du Foie |
 | CLFM / BCMF | Canadian Library Of Family Medicine / Bibliothèque Canadienne De Médecine Familiale |
 | CLG | Comité De Lutte Contre Le Glaucome |
 | CLIA | Clandestine Laboratory Investigators Association |
 | CLIA | Clinical Laboratory Improvement Amendments |
 | CLIBCON | Chiropractic Library Consortium |
 | CLIN | Comités De Lutte Contre Les Infections Nosocomiales |
 | CLISP | Collège De Liaison Des Internes De Santé Publique |
 | CLIVE | Computer-aided Learning In Veterinary Education |
 | CLL FOUNDATION | Chronic Lymphocytic Leukemia Foundation |
 | CLMA | Clinical Laboratory Management Association |
 | CLMR | Clinical Laboratory Management Review |
 | CLN | Clinical Laboratory News |
 | CLN | Connecticut League For Nursing |
 | CLNC | Certified Legal Nurse Consultant |
 | CLQ | Contact Lenses Quarterly |
 | CLR | Clinical Laboratory Reference [periodical] |
 | CLS | Commission On Life Sciences (NAS) |