A carregar...
Why we need observational studies to evaluate the effectiveness of health care.
The view is widely held that experimental methods (randomised controlled trials) are the "gold standard" for evaluation and that observational methods (cohort and case control studies) have little or no value. This ignores the limitations of randomised trials, which may prove unnecessary,...
Na minha lista:
| Autor principal: | |
|---|---|
| Formato: | Artigo |
| Idioma: | Inglês |
| Publicado em: |
BMJ Group
1996
|
| Assuntos: | |
| Acesso em linha: | https://ncbi.nlm.nih.gov/pmc/articles/PMC2350940/ https://ncbi.nlm.nih.gov/pubmed/8634569 |
| Tags: |
Adicionar Tag
Sem tags, seja o primeiro a adicionar uma tag!
|