Representativeness, losses to follow-up and validity in cohort studies
- Alonso, A.
- De Irala, J.
- Martínez-González, M.A.
ISSN: 0393-2990, 1573-7284
Year of publication: 2007
Volume: 22
Issue: 7
Pages: 481-482
Type: Letter
Journal:
European Journal of Epidemiology