The Effects of some Physical Factors on the production of Hyperthermia by Ultrasound in Neoplastic Tissues Paper entitled 'The Effects of some Physical Factors on the production of Hyperthermia by Ultrasound in Neoplastic Tissues' by K.Hynynen, D.J.Watmough and J.R.Mallard, Department of Bio-Medical Physics and Bio-Engineering, University of Aberdeen. This paper was published in Radiation and Environmental Biophysics, 19, 1981. Handwritten note at the top " ~ (Asst?) ,This should have been numbered. Kullen will give you a stack of reprints for b~ing (boxing?)". This copy is an offprint. 1981