| OCT | object classification test; optimal cutting temperature; oral contraceptive therapy; ornithine carba... |
|---|---|
| OES | oral esophageal stethoscope; optical emission spectroscopy |
| OGTT | oral glucose tolerance test |
| OHA | oral hypoglycemic agents |
| OHI-S | Oral Hygiene Instruction-Simplified |
| SHRP | stress hyporesponsive period |
|---|---|
| STRE | stress response element |
| U.S.I. | urinary stress incontinence |
| WRS | water immersion and restrain stress |