| GECC | Government Employees' Clinic Centre |
|---|---|
| GMC | general medical clinic; general medical council; giant migratory contraction; grivet monkey cell |
| NDC | National Data Communications; National Drug Code; Naval Dental Clinic; nondifferentiated cell |
| OCS | occipital condyle syndrome; Ondine's curse syndrome; open canalicular system; oral contraceptive ste... |
| OPC | oculopalatocerebral [syndrome]; outpatient clinic |