THE distorted emotional propaganda used by animal extremist groups to mislead the general public often overshadows the important contribution animal research has made to medicine.

SIMR is a patients' group which supports the humane use of animals where necessary in medical research. For further information please visit our website at www.simr.org.uk or write to us at SIMR, PO Box 504, Dunstable, Bedfordshire, LU6 2LU.

THOMAS BROMLEY,

Little Hampton, West Sussex.