Sauerbrei, W. F., Bland, M., Evans, S. J. W., Riley, R. D., Royston, P., Schumacher, M., & Collins, G. S. [ca. 2020]. Doug Altman: driving critical appraisal and improvements in the quality of methodological and medical research [Cd]. Freiburg: Universität. https://doi.org/10.1002/bimj.202000053

SAUERBREI, Wilhelm F., BLAND, Martin, EVANS, Stephen J. W., RILEY, Richard D., ROYSTON, Patrick, SCHUMACHER, Martin und COLLINS, Gary S., 2020. Doug Altman: driving critical appraisal and improvements in the quality of methodological and medical research. Freiburg: Universität.

Sauerbrei, W. F., M. Bland, S. J. W. Evans, R. D. Riley, P. Royston, M. Schumacher, und G. S. Collins. Doug Altman: driving critical appraisal and improvements in the quality of methodological and medical research. cd, Universität, 2020, https://doi.org/10.1002/bimj.202000053.

Sauerbrei, Wilhelm F./Bland, Martin/Evans, Stephen J. W./Riley, Richard D./Royston, Patrick/Schumacher, Martin u. a.: Doug Altman: driving critical appraisal and improvements in the quality of methodological and medical research, Freiburg 2020.

Sauerbrei, W.F., Bland, M., Evans, S.J.W., Riley, R.D., Royston, P., Schumacher, M. und Collins, G.S. (2020), Doug Altman: driving critical appraisal and improvements in the quality of methodological and medical research, Bd. , Universität, Freiburg, verfügbar unter:https://doi.org/10.1002/bimj.202000053.