Anin vitro quantitative analysis of the
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Derby, A.
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Article
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1968
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John Wiley and Sons
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English
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Dorsal taiI fins of tadpoles, ( R a m pipiens) at various stages of metamorphosis, were cut into pieces or discs and then cultured either in Hanks balanced salt solution or Hanks containing L-thyroxine (T4). Six concentrations of T 4 were tested: 3, 9, 27, 81, 250, and 750 parts per billion (ppb). I