1.
Rev. cuba. invest. bioméd
;
16(2): 134-40, jul.-dic. 1997. ilus
Article
in Spanish
| LILACS
| ID: lil-221031
2.
Rev. cuba. invest. bioméd
;
16(2): 145-50, jul.-dic. 1997. ilus
Article
in Spanish
| LILACS
| ID: lil-221033