title: Effect of ultrasound on human leucocytes. Sister chromatid exchange analysis.
mesh_terms: D002842:Chromatids / Q000648:ultrastructure*; D006801:Humans; D007962:Leukocytes / Q000648:ultrastructure*; D014159:Transducers; D014178:Translocation, Genetic / Q000528:radiation effects; D014465:Ultrasonics / Q000295:instrumentation; D014466:Ultraviolet Rays; D014965:X-Rays