Author I. Gurol-Urganci R. Geary J. Mamza M. Iwagami D. El-Hamamsy J. Duckett A. Wilson D. Tincello J. van der Meulen Year of Publication 2020 DOI 10.1186/s12875-020-01282-y DOIGoogle ScholarBibTeXEndNote X3 XMLEndNote 7 XMLEndnote taggedMarcRIS