| HCS | Hajdu-Cheney syndrome; Hazard Communication Standard; health care support; hourglass contraction of ... |
|---|---|
| ISSN | International Standard Serial Number |
| JIS | Japanese industrial standard; juvenile idiopathic scoliosis |
| PIS | preinfarction syndrome; primary immunodeficiency syndrome; Provisional International Standard |
| POSSUM | Pictures of Standard Syndromes and Undiagnosed Malformations |