| HCS | Hajdu-Cheney syndrome; Hazard Communication Standard; health care support; hourglass contraction of ... |
|---|---|
| HFS | hemifacial spasm; Hospital Financial Support |
| ILSS | integrated life support system; intraluminal somatostatin |
| IMSS | in-flight medical support system |
| LSS | life support station; lumbosacral spine |