1.
s.l; s.n; 2002. 80 p.
Monography
in Spanish
| BINACIS
| ID: biblio-1206842
2.
s.l; s.n; 2002. 80 p. (85341).
Monography
in Spanish
| BINACIS
| ID: bin-85341
3.
Aten Primaria
; 14(2): 631-6, 1994 Jun 30.
Article
in Spanish
| MEDLINE
| ID: mdl-8068831