Haydyn Brown

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A 6-year-old child manifested symptoms and signs of alveolar hypoventilation and signs of cor pulmonale caused by obstruction of the upper airway. These symptoms and signs disappeared after tonsillectomy and adenoidectomy. The relationship of upper airway obstruction to hypoventilation and cor pulmonale is discussed in the hope of renewing interest in this(More)
  • H A Brown
  • General and comparative endocrinology
  • 1990
To understand the environmental factors and endocrine mechanisms which regulate the extended period (2 to 4 years) of larval development in Ascaphus, the effect of temperature and thyroxine (T4 by immersion) on metamorphic changes of the tail, limb buds, operculum, anal fold, oral disc, and teeth were studied in premetamorphic and prometamorphic tadpoles.(More)
The effects of reserpine and syrosingopine on mouse whole brain acetylcholine levels were examined. At 2 or 24 hr following injection, the brains were removed and analyzed by mass spectrometry. No differences were found between drug-treated and control mice in the acetylcholine content of the brain at either time interval. The results suggest that whole(More)