000 00503nam a2200193Ia 4500
008 180116s1991 xxu||||| |||| 00| 0 eng d
020 _a92 4 154429 5
082 _aQV16
_bWHO
100 _a World Health Organization
245 _aBiological substances :
_bI N standards and reagents 1990.
250 _a
260 _aGeneva
_bW H O
_c1991
300 _a106 p.
_b26 cm.
440 _a
_v
500 _a
520 _a Bioligical Products
650 _aBioligical Products
906 _a11241
_b
_c
999 _c26476
_d26476