There are multiple definitions:

1. cyclophosphamide, methotrexate, and fluorouracil(English)

   • CEF
   • Oncology, Therapeutic approaches

2. comparative mortality figure(English)

   • ratio between mortality in a specific subpopulation and mortality in the total population corrected for age and sex differences
   • Statistics, Epidemiology

3. cow's milk formula(English)

   • refers to risk reduction of atopic dermatitis in high-risk, not exclusively breastfed infants
   • AD, pHF-W, QALY
   • Neonatal situation, Nutrition, Allergy, Dermatology
   • https://doi.org…2/smedj.2017113