00576nam a2200169Ia 450000500170000000800410001703500090005804100080006708200110007510000300008624501030011626000700021930000070028950000090029650500630030565000380036820260808125527.0260808s9999||||xx |||||||||||||| ||und||  a7170  aENG  a615.07  aWorld Health Organization 0aNIBSC - WHO international laboratory for biological standards 1999bbiological reference materials  aUKbNational Institute for Biological Standards and Controlc1999  a83  aGift  aWHO, pharmaceutical standards, international pharmacopoeia  aWHObPharmacology -- Therapeutics