1.
Diagnóstico (Perú)
;
37(5): 274-9, sept.-oct. 1998.
Article
in Spanish
| LILACS
| ID: lil-227678
2.
Diagnóstico (Perú)
;
37(1): 7-10, 12, 14, passim, ene.-feb. 1998. graf
Article
in Spanish
| LILACS
| ID: lil-208389