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2011-08-02 07:57:00

RALEIGH, N.C., Aug. 2, 2011 /PRNewswire/ -- PRA, a leading Clinical Research Organization, announces that the third edition of respiratory care expert Jack Wanger's book, Pulmonary Function Testing: A Practical Approach, has recently been published by Jones & Bartlett Learning in Sudbury, MA.


Word of the Day
pawl
  • A pivoted catch designed to fall into a notch on a ratchet wheel so as to allow movement in only one direction (e.g. on a windlass or in a clock mechanism), or alternatively to move the wheel in one direction.
The word 'pawl' probably comes from a Latin word meaning 'stake'.
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