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Wittkampf KA, van Zwieten M, Smits FT, Schene AH, Huyser J, van Weert HC.Wittkampf KA, et al. Among authors: smits ft.Fam Pract. 2008 Dec;25(6):438-44. doi: 10.1093/fampra/cmn057. Epub 2008 Oct 3.Fam Pract. 2008.PMID: 18836095
Haroun D, Smits F, van Etten-Jamaludin F, Schene A, van Weert H, Ter Riet G.Haroun D, et al.Eur J Gen Pract. 2016 Jun;22(2):71-82. doi: 10.3109/13814788.2016.1161751. Epub 2016 Apr 28.Eur J Gen Pract. 2016.PMID: 27122125Free article.Review.
Smits FT, ter Riet G.Smits FT, et al.Lancet Public Health. 2017 Dec;2(12):e538. doi: 10.1016/S2468-2667(17)30215-3. Epub 2017 Dec 5.Lancet Public Health. 2017.PMID: 29253436Free article.No abstract available.