... transfer of trained personnel and their replacement by untrained ones, inadequate supply of stains and other requirements, and quality of supplies particularly stains and slides. Some of these ... was satisfactory and these might not have influenced results adversely. For a number of reasons, one of which is the influence of the training programme of NTI, the findings of this study should ... experience and conscientiousness of the staff trained. Besides, their multiple responsibilities, training environment and the competence of the trainers, the distribution of work among trained...