TY - BOOK ED - World Health Organization TI - Quality assurance in nuclear medicine: : a guide prepared following a workshop held in Heidelberg, Federal Republic of Germany, 17-21 November 1980 SN - 9241541652 U1 - 616.07575 23 PY - 1982/// CY - Geneva PB - World Health Organization, KW - Radioisotope scanning KW - Radiological scanning KW - Diagnosis and Prognosis ER -