| ODD | oculodentodigital [dysplasia]; oppositional defiant disorder |
|---|---|
| OMD | ocular muscle dystrophy; oculomandibulodyscephaly; organic mental disorder; oromandibular dystonia |
| PD | Doctor of Pharmacy; Dublin Pharmacopoeia; interpupillary distance; Paget disease; pancreatic duct; p... |
| PDD | pervasive developmental disorder; platinum diamminodichloride [cisplatin]; primary degenerative deme... |
| PDSRS | Panic Disorder Self-Rating Scale |