| EY | egg yolk; epidemiological year |
|---|---|
| EYA | egg yolk agar |
| HEL | hen egg white lysozyme; human embryonic lung; human erythroleukemia |
| HEP | hemolysis end point; hepatoerythropoietic porphyria; high egg passage [virus]; high-energy phosphate... |
| LD-EYA | Lombard-Dowell egg yolk agar |