(Q33650303)
Statements
1 reference
The impact of attrition on the representativeness of cohort studies of older people (English)
1 reference
Annette J Dobson
1 reference
5 August 2010
1 reference
1 reference
10
1 reference
71
1 reference
1 reference
Identifiers
1 reference
1 reference
1 reference
1 reference