| Original language | English |
|---|---|
| Pages (from-to) | 509-514 |
| Number of pages | 6 |
| Journal | Bulletin of the World Health Organization |
| Volume | 70 |
| Issue number | 4 |
| State | Published - 1992 |
| Externally published | Yes |
ASJC Scopus Subject Areas
- Public Health, Environmental and Occupational Health