Original article
Medical record review to recover missing data in a Portuguese birth cohort: agreement with self-reported data collected by questionnaire and inter-rater variability
Revisión de registros médicos para recuperar datos incompletos en una cohorte de nacimiento portuguesa: concordancia con datos recogidos por cuestionario y variabilidad interobservador
Elisabete Alves
, Nuno Lunet, Sofia Correia, Vítor Morais, Ana Azevedo, Henrique Barros
Corresponding author
Department of Hygiene and Epidemiology, University of Porto Medical School, Porto, Portugal; Institute of Public Health – University of Porto (ISPUP), Porto, Portugal
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