Services on Demand

Article

• pdf in English
• Article in xml format
• Article references
• How to cite this article
• Automatic translation
• Send this article by e-mail

Indicators

• Cited by SciELO
• Access statistics

Related links

• Similars in SciELO

Bookmark

• |More

---

• Permalink

Bulletin of the World Health Organization

Print version ISSN 0042-9686

Bull World Health Organ vol.79 n.5 Genebra Jan. 2001

http://dx.doi.org/10.1590/S0042-96862001000500025