000 00462nam a22001697a 4500
999 _c148791
_d148790
005 20201116103717.0
008 201012b ||||| |||| 00| 0 eng d
041 _aEN
082 _223
_bWOR
110 _983692
_aWorld Health Organization
245 _aMedical radiation physics
260 _aGeneva:
_bWorld Health Organization;
_c1968
440 _9108927
_aWHO technical report series 390
500 _aIncludes reference.
509 _aNS
942 _cPR