543,044 QUALITY Quality assurance in nuclear medicine : a guide prepared following, workshop held in Heidelberg, Federal Republic of Germany 17-21 November 1980, and org. jointly/by Institute of Nuclear Medicine German Cancer Research Centre, Heidelberg Federal Republic of Germany /etc./, - Geneva : World Health Organization, 1982. - 72 s. il. ,wykr. ; 25 cm ISBN 92-4-154165-2