In 1981 Richard Boucher measured the transepithelial electrical potential difference across the nasal and lower airway mucosa of CF patients and found a highly significant increase in the negative charge in the lumen ( 2 ).
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In 1981 Richard Boucher measured the transepithelial electrical potential difference across the nasal and lower airway mucosa of CF patients and found a highly significant increase in the negative charge in the lumen ( 2 ).