What factors explain the differences in morbidity estimations among general practice registration networks in the Netherlands? A first analysis.
Catharina van den Dungen, Gijsen, Marjan van den Akker, Jos Boesten, Henk Brouwer, Hugo Smeets, van der Veen, R. Verheij, Margot de Waal, Westert, Hoeymans, Schellevis2008Tijdschriftartikel