Research Paper
Measures of quality, costs and equity in primary health care: instruments developed to analyse and compare primary health care in 35 countries
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Sara Willems, Peter P Groenewegen, Willemijn LA Scha? fer, Wienke GW Boerma, Dionne S Kringos, Evelyne De Ryck, Stefan Gre? and Stephanie Heinemann, Anna Maria Murante, Danica Rotar-Pavlic, Franc? ois G Schellevis, Chiara Seghieri, Michael J Van den Berg