Yüklüyor......
Pragmatic controlled clinical trials in primary care: the struggle between external and internal validity
BACKGROUND: Controlled clinical trials of health care interventions are either explanatory or pragmatic. Explanatory trials test whether an intervention is efficacious; that is, whether it can have a beneficial effect in an ideal situation. Pragmatic trials measure effectiveness; they measure the de...
Kaydedildi:
| Asıl Yazarlar: | , , , , , , , |
|---|---|
| Materyal Türü: | Artigo |
| Dil: | Inglês |
| Baskı/Yayın Bilgisi: |
BioMed Central
2003
|
| Konular: | |
| Online Erişim: | https://ncbi.nlm.nih.gov/pmc/articles/PMC317298/ https://ncbi.nlm.nih.gov/pubmed/14690550 https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1186/1471-2288-3-28 |
| Etiketler: |
Etiketle
Etiket eklenmemiş, İlk siz ekleyin!
|