Title of article
When are observational studies as credible as randomised trials?
Author/Authors
Jan P. Vandenbroucke، نويسنده ,
Issue Information
روزنامه با شماره پیاپی سال 2004
Pages
4
From page
1728
To page
1731
Journal title
The Lancet
Serial Year
2004
Journal title
The Lancet
Record number
560889
Link To Document