| EC | effective concentration; ejection click; electrochemical; electron capture; embryonal carcinoma; eme... |
|---|---|
| ECM | electronic claims management; embryonic chick muscle; erythema chronicum migrans; experimental cereb... |
| MAP | Mean Arterial Pressure |
| CEM | computerized electroencephalographic map; conventional transmission electron microscope |
| ISM | information sources map [of UMLS]; International Society of Microbiologists; intersegmental muscle |