There are multiple definitions:

1. final melphalan lung concentration(English)

   • refers to lung perfusion
   • Pulmonology, Hemodynamics
   • https://doi.org…cts.2005.02.015

2. fermented milk with Lactobacillus casei(English)

   • MDR
   • Veterinary medicine, Nutrition
   • https://pubmed.…h.gov/22574523/

3. fetal mouse liver cell(English)

   • refers to microcultures
   • CFU, EPO, ERF
   • Hepatology, Experimental animal, Cell biology
   • https://doi.org…1007/bf01738301