| HEI | Health Effects Institute; high-energy intermediate; homogenous enzyme immunoassay; human embryonic i... |
|---|---|
| HeLa | Helen Lake [human cervical carcinoma cells] |
| HELF | human embryo lung fibroblast |
| HEP | hemolysis end point; hepatoerythropoietic porphyria; high egg passage [virus]; high-energy phosphate... |
| hEP | human endorphin |