1.
Aten Primaria
; 12(4): 240-1, 1993 Sep 15.
Article
in Spanish
| MEDLINE
| ID: mdl-8374029
2.
Aten Primaria
; 10(5): 785-8, 1992 Oct 01.
Article
in Spanish
| MEDLINE
| ID: mdl-1472603