| LN2 | liquid nitrogen |
|---|---|
| MDNB | mean daily nitrogen balance; metadinitrobenzene |
| NCD | National Commission on Diabetes; National Council on Drugs; neurocirculatory dystonia; nitrogen clea... |
| NM | near-miss; neomycin; neuromedin; neuromuscular; neutrophil migration; nictitating membrane; nitrogen... |
| NP | nasopharynx, nasopharyngeal; near point; necrotizing pancreatitis; neonatal-perinatal; neuritic plag... |