| COPE | chronic obstructive pulmonary emphysema |
|---|---|
| CVOD | cerebrovascular obstructive disease |
| DOPS | diffuse obstructive pulmonary syndrome; dihydroxyphenylserine |
| EOJ | extrahepatic obstructive jaundice |
| HOCM | high-osmolar contrast medium; hypertrophic obstructive cardiomyopathy |