914330 EFU enamel fluoride uptake 31 914325 EFU estimated fluid usage 9 914315 EFU efficiency of food utilization 5 914316 EFU early follow-up 4 914323 EFU E. fulvus fulvus 1 914317 EFU early follow-up period 1 914334 EFU efficient follow-up 1 914335 EFU ejection fraction units 1 914332 EFU electrical flow unit 1 914322 EFU Emergency Fueling Unit 1 914333 EFU enamel F uptake 1 914321 EFU Enamel Fluoride (F) Uptake 1 914331 EFU enamel remineralisation (%SMHR) and fluoridation 1 914326 EFU endoscopic follow-up 1 914327 EFU enhancements in lesion fluoridation 1 914324 EFU environmental feature utilization 1 914329 EFU estrous female urine 1 914328 EFU ethoxyfluorouracil 1 914320 EFU Eulemur fulvus fulvus 1 914318 EFU Eulemur fulvus mayottensis 1 914319 EFU Experimental follow-up 1