000			00303nam a2200145Ia 4500
100			_aWHO
020			_a92-4-165-042-7
250			_a42nd ed
654			_aHealth & Hygiene
942			_cBK
245			_aBasic documents
260			_aauth., Geneva _c1999
082			_a614.06 W.H.O.
300			_aiv,182
999			_c25617 _d25617