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A simple biological method for detecting streptococcal nicotinamide adenine dinucleotide glycohydrolase.
  1. N E Green

    Abstract

    A biological method for detecting streptococcal nicotinamide adenine dinucleotide glycohydrolase (NADG) is presented, based on its ability to inhibit the growth of Haemophilus parainfluenzae. Three hundred clinical isolates of beta-haemolytic streptococci were tested. All isolates producing NADG belonged to Lancefield's group A, C, or G.

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