| DVIU | direct-vision internal urethrotomy |
|---|---|
| EDR | early diastolic relaxation; effective direct radiation; electrodermal response |
| LDAR | latex direct agglutination reaction |
| LDIH | left direct inguinal hernia |
| MIDCAB | minimally invasive direct coronary artery bypass [surgery] |
| P.H.S. | Public Health Service |
|---|---|
| PSA | public service announcement |
| USPHS | United States Public Health Service |
| MSO | management service organization |