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Rev. costarric. cardiol
; 4(2): 31-34, mayo-ago. 2002. ilus
Article
in Spanish
| LILACS
| ID: lil-403919
2.
San José; s.n; 1 abr. 1992. 119 p. ilus.
Thesis
in Spanish
| LILACS
| ID: lil-202727