| HBT | human brain thromboplastin; human breast tumor |
|---|---|
| HCS | Hajdu-Cheney syndrome; Hazard Communication Standard; health care support; hourglass contraction of ... |
| hCT | human calcitonin; human chorionic thyrotropin |
| HEK | human embryo kinase; human embryonic kidney |
| HEL | hen egg white lysozyme; human embryonic lung; human erythroleukemia |