| ODD | oculodentodigital [dysplasia]; oppositional defiant disorder |
|---|---|
| OMD | ocular muscle dystrophy; oculomandibulodyscephaly; organic mental disorder; oromandibular dystonia |
| PDD | pervasive developmental disorder; platinum diamminodichloride [cisplatin]; primary degenerative deme... |
| PDSRS | Panic Disorder Self-Rating Scale |
| PHD | pathological habit disorder; personal health data; post-heparin plasma diamine oxidase; potentially ... |