Emergency Support Function 
Extended Super Frame 
European Science Foundation 
Economic Support Fund 
Emergency Support Functions 
Extended Superframe Format 
European Social Fund 
Engineering Support Facility 
Economic Support Funds 
edge spread function 
Elementary Symmetric Function 
Engineered safety feature 
European Securitisation Forum 
Exploratory Studies Facility 
Explosive Safe Facility 
Earnings Suspense File 
Earth's Special Forces 
Ecole Supérieure Fonderie 
Ecoles sans Frontières 
Econmic Support Fund 
El Segundo Facility 
Emblaze Streaming Format 
endometrial stromal fibroblasts 
engineered safety features 
Engineered Storage Facility 
Engineering Safety Feature 
Engineering Support Facility's 
Environmental Scale Factor 
Environmental Support Facility 
erythropoiesis-stimulating-factor