(Q47652520)
Statements
1 reference
The impact of informed consent regulations on response rate and response bias (English)
1 reference
Lloyd Lueptow
1 reference
Samuel A Mueller
1 reference
Richard R Hammes
1 reference
Lawrence S Master
1 reference
1 November 1977
1 reference
6
1 reference
2
1 reference
183-204
1 reference
1 reference
1 reference
1 reference