By Wallace D   Ng J A   Keall P J   O’Brien R T   Poulsen P R   Juneja P   Booth J T   in Physics in Medicine and Biology

ISSN:0031-9155|60|12|4835-4847

IOP Publishing‎(2015)‎

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By Lu Z.F.   Zagzebski J.A.   O'Brien R.T.   Steinberg H.   in Ultrasound in Medicine and Biology

ISSN:0301-5629|23|1|1-8

Elsevier‎(1997)‎

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