Low-thermal expansion electrostatic chuck materials and clamp mechanisms in vacuum and air von van Elp, J., Giesen, P.T.M., de Groof, A.M.M.

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Development of out-of-hours primary care by general practitioners (GPs) in The Netherlands: from small-call rotations to large-scale GP cooperatives von van Uden, Caro J T, Giesen, Paul H J, Metsemakers, Job F M, Grol, Richard P T M

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Urinary tract infections in young children: high guideline adherence of triage nurses at general practice co-operatives von Harmsen, M, Giesen, P, van der Wouden, J

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