(Q28477261)
Statements
The quality of registration of clinical trials (English)
0 references
24 February 2011
0 references
6
0 references
2
0 references
e14701
0 references
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference
1 reference