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Neural tube defect - Wikipedia, the free …

Neural tube defects (NTDs) are one of the most common birth defects, affecting over 300,000 births[1] globally each year. For example, Spina Bifida affects ...

ASTM International - Standards Products

Standards Products. Browse ASTM standards, adjuncts, collections and purchasing options.

Northern line - Wikipedia, the free encyclopedia

The Northern line is a London Underground line, coloured black on the Tube map. The section between Stockwell and Borough opened in 1890, and is the oldest section of ...

RL Equipments

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