External quality assessment of health laboratories. Report on a WHO Working Group. Brussels 4-7 December 1979.
Card's contents:604,529 604,712 EXTERNAL External quality assessment of health laboratories. Report on a WHO Working Group. Brussels 4-7 December 1979. Copenhagen 1981 Regional Office for Europe WHO 8° s. nlb. 4, 23, nlb. 2 EURO Reports and Studies 36