Golding Jean, Jones Richard
Centre for Child and Adolescent Health, Department of Community Based Medicine, University of Bristol, Bristol, UK.
Paediatr Perinat Epidemiol. 2009 Jul;23 Suppl 1:51-62. doi: 10.1111/j.1365-3016.2008.00996.x.
This paper outlines the variety of data sources which can be utilised in a longitudinal study. Although a longitudinal study could be carried out using just one type of data, greater depth and accuracy can be achieved by including a variety of different sources of information.