Abstract
Doppler Echocardiography The Quantitative Approach A. J. Labovitz and G. A. Williams, Lea & Febiger, USA. ISBN 0-8121-1105-2. 121 pages. Price £15.30.
Networks and Image Handling Edited by P. S. Tofts and R. W. Granage, Institute of Physical Sciences in Medicine, UK. ISBN 0-904181-47-2. 109 pages. 1987.
BSI certification
Heated humidifiers