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Original Article

Focusing of an ultrasonic field upon transmission using an annular transducer

Pages 77-78 | Published online: 09 Jul 2009

References

  • Guibarra E. J., Wells P. N. T., Evans K. T. IERE Conference Proceedings No. 3. Applications of Ultrasonics in Medicine. 1976
  • Burckhardt C. B., Grandchamp P. A., Hoffman H. IEEE. Trans. Son. Ultrason. 1974; SU-21: 1

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