The costs, effects and cost-effectiveness of strategies to increase coverage of routine immunizations in low- and middle-income countries: systematic review of the grey literature
Evidence-based reviews of published literature can be subject to several biases. Grey literature, however, can be of poor quality and expensive to access. Effective search strategies also vary by topic and are rarely known in advance. This paper complements a systematic review of the published liter...
| Egile Nagusiak: | , , |
|---|---|
| Formatua: | Artikulua |
| Hizkuntza: | English |
| Argitaratua: |
The World Health Organization
2004-09-01
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| Saila: | Bulletin of the World Health Organization |
| Gaiak: | |
| Sarrera elektronikoa: | http://www.scielosp.org/scielo.php?script=sci_arttext&pid=S0042-96862004000900011&lng=en&tlng=en |