| ECM | electronic claims management; embryonic chick muscle; erythema chronicum migrans; experimental cereb... |
|---|---|
| ED | early-decision [applicant]; early differentiation; ectodermal dysplasia; ectopic depolarization; eff... |
| HEI | Health Effects Institute; high-energy intermediate; homogenous enzyme immunoassay; human embryonic i... |
| HEK | human embryo kinase; human embryonic kidney |
| HEL | hen egg white lysozyme; human embryonic lung; human erythroleukemia |