1.
Cuad. méd.-soc. (Santiago de Chile)
;
41(1/2): 52-53, ene.-jun. 2000.
Article
in Spanish
| LILACS
| ID: lil-300221
2.
Santiago de Chile; MINSAL; 1998. 15 p. tab.
Monography
in Spanish
| LILACS, MINSALCHILE
| ID: lil-445909