2639169 EIMs extraintestinal manifestations 237 2639162 EI-MS electron ionization mass spectrometry 121 2639155 EIMS Epithelioid inflammatory myofibroblastic sarcoma 50 2639188 EIMS Epidemiological Investigation of MS 5 2639164 EIMS electron ionization MS 3 2639177 EIMS Earthquake Information Management System 2 2639186 EIMS electrical stimulation 2 2639189 EIMS Epidemiological Investigation of Multiple Sclerosis 2 2639187 EIMS Exercise Identity Measurement Scale 2 2639185 EIMS early initiation of multiple substances 1 2639184 EIMS electron impact ionization MS 1 2639183 EIMS electronic information management system 1 2639178 EIMS emotional individual motor signature 1 2639179 EIMS epitope-imprinted mesoporous silica 1 2639181 EIMS equilibrator inlet mass spectrometry 1 2639182 EIMS extra-intestinal manifestations 1 2639180 EIMS perpetual inventory management system 1