Mastectomy or conservation: the patient's choice.

ciation of the potential risks of not being im- munised many doctors do not use the opportunity to offer immunisation during routine consulta- tions; other strategies are needed to bring about change.These results suggest the importance of using more than one intervention to produce an improvement in performance.Although the system described was carried out using manual recording, the potential for this type of intervention using computers is greatly in- creased.Using these figures for interpractice comparisons, with due regard to their limitations, could be a useful way of improving motivation.