1.
D.F; Secretaría de Salud; ago. 2001. 615 p. graf.
Monography
in Spanish
| LILACS
| ID: lil-306645
2.
Gac. méd. Méx
;
131(5/6): 605-7, sept.-dic. 1995. tab
Article
in Spanish
| LILACS
| ID: lil-174097