000 00288nam a2200121Ia 4500
100 _aWorld Health Organization
020 _a92 4 157106 3
942 _cBK
245 _aBeryllium
260 _aWorld Health Organization, Geneva
_c1990
082 _aR363.7384 W.H.O./E.H.C.
300 _a210
999 _c63147
_d63147