| TRI | tetrazolium reduction inhibition; Thyroid Research Institute; total response index; toxic chemical r... |
|---|---|
| USAIDR | United States Army Institute of Dental Research |
| USAMRIID | United States Army Medical Research Institute for Infectious Diseases |
| ERF | Education and Research Foundation; external rotation in flexion; Eye Research Foundation |
| OHR | occupational health research; Office of Health Research |