| HTDW | heterosexual development of women |
|---|---|
| IPD | idiopathic Parkinson disease; idiopathic protracted diarrhea; immediate pigment darkening; increase ... |
| NCHPD | National Council on Health Planning and Development |
| ND | Doctor of Naturopathy; nasal deformity; natural death; Naval Dispensary; neonatal death; neoplastic ... |
| NDCG | Nursing Development Conference Group |