1.
La Paz; s.n; mar. 2005. [51] p. tab.
Non-conventional
in Spanish
| LIBOCS, LIBOSP
| ID: biblio-1301376
2.
La Paz; OPS/OMS; abr. 2000. 4 p.
Monography
in Spanish
| LIBOCS, LIBOSP
| ID: biblio-1301093