(Q36169190)
Statements
1 reference
Challenges in using nonrandomized studies in systematic reviews of treatment interventions (English)
1 reference
Susan L Norris
1 reference
David Atkins
1 reference
1 June 2005
1 reference
1 reference
142
1 reference
12 Pt 2
1 reference
1112-1119
1 reference
Identifiers
1 reference
1 reference