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A testing time

BMJ 2006; 333 doi: (Published 14 September 2006) Cite this as: BMJ 2006;333:580
  1. William Whiteley, specialist registrar in medical neurology (
  1. Department of Clinical Neurosciences, Western General Hospital, Edinburgh

    “It won't take long, Will.”

    An old friend was looking for subjects for his research project. “Just blow out as forcefully and as long as you can.”

    I blew out hard and squeezed the air from my …

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