Llwytho...
Randomised controlled trials in general practice. Are preferable to observational studies.
Wedi'i Gadw mewn:
| Prif Awdur: | |
|---|---|
| Fformat: | Artigo |
| Iaith: | Inglês |
| Cyhoeddwyd: |
BMJ Group
1996
|
| Pynciau: | |
| Mynediad Ar-lein: | https://ncbi.nlm.nih.gov/pmc/articles/PMC2350460/ https://ncbi.nlm.nih.gov/pubmed/8605488 |
| Tagiau: |
Ychwanegu Tag
Dim Tagiau, Byddwch y cyntaf i dagio'r cofnod hwn!
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