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Rev. cuba. hig. epidemiol
; 20(4): 633-46, oct.-dic. 1982. Ilus., tablas
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| CUMED
| ID: cum-7759
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Rev. cuba. hig. epidemiol
; 20(4): 621-32, oct.-dic. 1982. tablas
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| CUMED
| ID: cum-7758
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Rev. cuba. hig. epidemiol
; 20(4): 515-27, oct.-dic. 1982. tablas
Article
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| CUMED
| ID: cum-7748
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Rev. cuba. hig. epidemiol
; 20(4): 477-84, oct.-dic. 1982. tablas
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| CUMED
| ID: cum-7744
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J Neurochem
; 31(5): 1143-8, 1978 Nov.
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| MEDLINE
| ID: mdl-100579