1.
Rev. colomb. cir
;
27(3): 188-191, jul.-set. 2012.
Article
in Spanish
| LILACS
| ID: lil-656997
2.
Rev. colomb. cir
;
27(1): 13-14, ene.-mar. 2012.
Article
in Spanish
| LILACS
| ID: lil-639905