Pragmatic controlled clinical trials in primary care: the struggle between external and internal validity (Q24805041)
Jump to navigation
Jump to search
scientific article
| Language | Label | Description | Also known as |
|---|---|---|---|
| English | Pragmatic controlled clinical trials in primary care: the struggle between external and internal validity |
scientific article |
Statements
Pragmatic controlled clinical trials in primary care: the struggle between external and internal validity (English)
0 references
22 December 2003
0 references
3
0 references
28
0 references
1
0 references
Identifiers
1 reference