TY  - RPRT
TI  - Second harmonic imaging: good reverberations.
AU  - L J Crouse
AU  - P H Kramer
PY  - 1999
DO  - 10.1016/s0002-8703(99)70240-1
UR  - https://pubmed.ncbi.nlm.nih.gov/10385758/
ID  - 10385758
ER  -