| NKHS | nonketotic hyperosmolar syndrome; normal Krebs-Henseleit solution |
|---|---|
| NS | natural science; Neosporin; nephrosclerosis; nephrotic syndrome; nervous system; neurological surger... |
| N/S | normal saline [solution] |
| NSS | normal saline solution; normal size and shape; not statistically significant; nutrition support serv... |
| ORS | olfactory reference syndrome; oral rehydration solution; oral surgery, oral surgeon; Orthopaedic Res... |