000 00300nam a2200121Ia 4500
100 _aWorld Health Organization
020 _a92 4 157160 8
942 _cBK
245 _aUltraviolet radiation
260 _aWorld Health Organization, Geneva
_c1994
082 _aR363.7384 W.H.O./E.H.C.
300 _a352
999 _c33243
_d33243