| HEF | hamster embryo fibroblast; human embryo fibroblast |
|---|---|
| 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... |