Author M. Persson K. Harman K. Thomas J. Chalmers Y. Vinogradova S. Langan J. Hippisley-Cox S. Gran Year of Publication 2021 DOI 10.1186/s12874-021-01212-1 DOIGoogle ScholarBibTeXEndNote X3 XMLEndNote 7 XMLEndnote taggedMarcRIS
