Numerical Algorithms Group 
N-acetylglucosamine 
Network Analysis Group 
Nominations and Awards Group 
North Arabian Gulf 
Northern Arabian Gulf 
Numerical Algorithms Groups 
N-Acetyl-b-d-glucosaminidase 
N-acetyl-beta-D-glucosamidase 
N-acetyl-beta-D-glucosaminidase 
N-Acetyl-beta-D-glucosaminidase activi… 
N-acetyl-beta-D-glycosaminidase 
n-acetyl-beta-glucosaminidase 
N-acetyl-B-glucosaminidase 
N-acetyl-D-glucosamine 
N-acetyl-D-glucosaminidase 
N-acetylglucosaminidase 
N-acetylglutamate 
N-acetyl-L-glutamate 
Nachtarbeitsgesetz 
NASA Grant 
National Academy of Geosciences 
National Achievement Guideline 
National Algorithms Group 
National Armament Goals 
National Association of Goldsmiths 
National Gallery of Canada 
National Glass Association 
Naval Advisory Group 
Naval Astronautics Group