000 00250nam a2200109Ia 4500
020 _a92-4-154631-X
942 _cBK
245 _aWho model formulary
260 _aWorld Health Organization, (s.l.)
_c2004
082 _aR651.1 W.H.O.
300 _axix,528
999 _c39714
_d39714