Correction to: Journal of Medical Ultrasonics 10.1007/s10396-021-01120-3
In the original publication of the article, the position of number of Well #1 and Well #2 in Fig. 2b were published in reverse. The correct Fig. 2 is given in this correction.
Fig. 2.
The schema for the method of measurement of ultrasound (US) intensity. The hydrophone was moved in the well filled with degassed water
The original article has been corrected.
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