000			00285nam a2200121Ia 4500
100			_aWorld Health Organization
020			_a92 4 157107 1
942			_cBK
245			_aBarium
260			_aWorld Health Organization, Geneva _c1990
082			_aR363.7384 W.H.O./E.H.C.
300			_a148
999			_c36826 _d36826