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Growth Hormone (GH) secretion was studied in a 61-year-old woman with idiopathic orthostatic hypotension (IOH) or Shy-Drager Syndrome. The 24-hour pattern of GH secretion showed multiple daytime peaks and little nighttime activity. The largest daytime peak of 35.0 ng/ml is much greater than the levels observed in seven studies using five age-matched normal(More)
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