Key points are not available for this paper at this time.
Neil Wrigley, Cliff Guy, Richard Dunn, Larry O'Brien, Le Panel des Consommateurs de Cardiff : Aspects Méthodologiques de la Conduite d'une Enquête de Panel à Long Terme, Transactions of the Institute of British Geographers, Vol. 10, No. 1 (1985), pp. 63-76
Wrigley et al. (Mar,) ont étudié cette question.
Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context: