TY - GEN AU - England John M ... [et al.]. AU - Lewis Shirley Mitchell. AU - Lloyd E. AU - Rowan R M. ED - World Health Organization. Health Laboratory Technology and Blood Safety Unit. TI - Calibration and maintenance of semi-automated haematology equipment PY - 1993/// CY - Geneva : PB - World Health Organization KW - Laboratories KW - Blood transfusion KW - Instrumentation KW - Equipment safety KW - Equipment and supplies ER -