Volume 41; Issue 4

7

Physical deconditioning in chronic low back pain

Year:
2009
Language:
english
File:
PDF, 561 KB
english, 2009
11

When is a case-control study not a case-control study?

Year:
2009
Language:
english
File:
PDF, 501 KB
english, 2009
13

When is a case-control study a case-control study?

Year:
2009
Language:
english
File:
PDF, 487 KB
english, 2009