title: Modulation of ultrasound to produce multifrequency radiation force.
authors.affiliation: Department of Physiology and Biomedical Engineering, Mayo Clinic College of Medicine, 200 First Street SW, Rochester, Minnesota 55905, USA. urban.matthew@mayo.edu
authors.forename: Matthew W
authors.initials: MW
authors.lastname: Urban
authors.forename: Mostafa
authors.initials: M
authors.lastname: Fatemi
authors.forename: James F
authors.initials: JF
authors.lastname: Greenleaf