There are multiple definitions:

1. clean intermittent (self-)catheterization(English)

   • the indwelling catheter should be removed after about 2 weeks and changed to clean intermittent catherization or, if possible, clean intermittent self-catherization, thereby reducing the frequency of infections of the urinary tract
   • AUS, BNC, BNR, ISD, SPC, SUI, CCC, CISC, BoNT-A, DOI, I-QOL, MS, NDO, SCI
   • Urology, Infection
   • https://doi.org…ucl.2017.04.013
   • https://doi.org…52901-5.00035-6
   • https://doi.org….1002/nau.25062

2. completely in the canal [hearing aid](English)

   • Auditory system

3. chronic inactive cirrhosis(English)

   • CAC, PBC
   • Liver disease

4. crisis intervention center(English)

   • Psychiatry

5. circulating immune complex(English)

   • Immunology

6. cardioinhibitor center(English)

   • Cardiology

7. conjunctival impression cytology(English)

   • a popular minimally invasive and painless procedure to examine the superficial layers of the conjunctival epithelium
   • CL, CLD, IC
   • Ophthalmology
   • https://doi.org…/sj.eye.6702867
   • https://doi.org…683.2014.891750

8. calcaneal internal compression(English)

   • refers to displaced intra-articular calcaneal fractures
   • DIACF
   • Post-traumatic state, Emergency medicine, Skeleton and bone (formation)
   • https://doi.org…b013e318253b5f1

9. Cancer Immunotherapy Consortium(English)

   • concerns the systematic creation of a new clinical development paradigm for cancer immunotherapies
   • CT, IO, IS
   • Oncology, Immunology, Therapeutic approaches, Organizations (documentation), Paradigm or theory
   • https://doi.org…4161/onci.19268