Latest John A. Patti Stories
ACR Representatives Present Strategies to Reduce Radiation Dose, Unnecessary Imaging at NIH Radiation Dose Summit
RESTON, Va., Feb.
Urges Other States to Adopt Safeguards Against Self-Referral WASHINGTON, Jan.
Word of the Day
- 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'.