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| LEADER |
00940nam a2200241 a 4500 |
| 007 |
ta |
| 008 |
050201s1987||||sz |||||||||||||spa|| |
| 020 |
|
|
|a 9243542133
|
| 040 |
|
|
|a Sistema Bibliotecario Universidad de El Salvador
|b spa
|
| 043 |
|
|
|a sz
|
| 060 |
|
|
|a QW575
|b O68
|
| 110 |
2 |
|
|a Organización Mundial de la Salud
|
| 245 |
1 |
0 |
|a Sustancias biológicas :
|b patrones y reactivos de referencia internacional 1986
|
| 260 |
|
|
|a Ginebra :
|b OMS ,
|c 1987
|
| 300 |
|
|
|a 98p. ;
|c 25cm
|
| 650 |
|
7 |
|a Indicadores y reactivos
|2 DeCS
|
| 650 |
|
7 |
|a Laboratorios
|2 DeCS
|
| 991 |
|
|
|a med_alba
|
| 992 |
|
|
|a 08/06/2010
|
| 942 |
|
|
|c BK
|
| 999 |
|
|
|c 112467
|d 112467
|
| 952 |
|
|
|0 0
|1 0
|4 0
|6 QW_575_000000000000000_O68
|7 0
|8 CG
|9 200705
|a 11
|b 11
|c CG
|d 2012-08-15
|i 11002281
|o QW575 O68
|p 11002281
|r 2012-08-15
|t 1
|w 2012-08-15
|y BK
|
| 952 |
|
|
|0 0
|1 0
|4 0
|6 QW_575_000000000000000_O68
|7 0
|8 CG
|9 200706
|a 11
|b 11
|c CG
|d 2012-08-15
|i 11007647
|o QW575 O68
|p 11007647
|r 2012-08-15
|t 2
|w 2012-08-15
|y BK
|