000 00654nam a2200229 a 4500
001 22504
003 OSt
005 20210618083836.0
008 050613s1991 d
041 0 4 _aeng
082 0 _aQV16
_bW6-91
110 2 _aWorld Health Organization
_929369
245 0 _aBiological substances :
_binternational standards and reference reagents 11990
250 _aPrimera ediciĆ³n
260 4 _aGeneva:
_bWorld Health Organization
_c1991
550 _aGENERAL
650 _aPRODUCTOS BIOLOGICOS
_961301
650 _aTABLAS
_953594
650 _aINDICADORES Y REACTIVOS
_961302
650 _aTABLAS
_953594
942 _2ddc
_cBK
999 _c22280
_d22280