APA
Evans J. M., Beard J. D., Skidmore R. & Horrocks M. (19880229). An analogue mean frequency estimator for the quantitative measurement of blood flow by Doppler ultrasound. : Clinical physics and physiological measurement : an official journal of the Hospital Physicists' Association, Deutsche Gesellschaft fur Medizinische Physik and the European Federation of Organisations for Medical Physics.
Chicago
Evans J M, Beard J D, Skidmore R and Horrocks M. 19880229. An analogue mean frequency estimator for the quantitative measurement of blood flow by Doppler ultrasound. : Clinical physics and physiological measurement : an official journal of the Hospital Physicists' Association, Deutsche Gesellschaft fur Medizinische Physik and the European Federation of Organisations for Medical Physics.
Harvard
Evans J. M., Beard J. D., Skidmore R. and Horrocks M. (19880229). An analogue mean frequency estimator for the quantitative measurement of blood flow by Doppler ultrasound. : Clinical physics and physiological measurement : an official journal of the Hospital Physicists' Association, Deutsche Gesellschaft fur Medizinische Physik and the European Federation of Organisations for Medical Physics.
MLA
Evans J M, Beard J D, Skidmore R and Horrocks M. An analogue mean frequency estimator for the quantitative measurement of blood flow by Doppler ultrasound. : Clinical physics and physiological measurement : an official journal of the Hospital Physicists' Association, Deutsche Gesellschaft fur Medizinische Physik and the European Federation of Organisations for Medical Physics. 19880229.