2632273 EFCS European Federation of Cytology Societies 9 2632275 EFCS ejection fraction of the contractile segment 2 2632284 EFCS Early fetal cardiac scan 1 2632278 EFCS efficiency factor of contaminant source 1 2632272 EFCS Egyptian Fertility Care Society 1 2632277 EFCS ejection fraction of the contractile section of the left ventricle 1 2632276 EFCS emotion-focused coping strategy 1 2632279 EFCS end-fly-cutting-servo 1 2632274 EFCS Ethanolic fraction of Moroccan Cannabis sativa threshing residues 1 2632271 EFCS ethyl acetate fraction from Cedrela sinensis 1 2632270 EFCS exploded and fermented corn stover 1