Key points are not available for this paper at this time.
Journal Article THE NATURAL HISTORY OF DIABETIC RETINOPATHY Get access ANNE F. BURDITT, ANNE F. BURDITT Nuffield Department of Medicine and Department of Biomathematics, University of Oxford Search for other works by this author on: Oxford Academic PubMed Google Scholar F. I. CAIRD, F. I. CAIRD Nuffield Department of Medicine and Department of Biomathematics, University of Oxford Search for other works by this author on: Oxford Academic PubMed Google Scholar G. J. DRAPER G. J. DRAPER Nuffield Department of Medicine and Department of Biomathematics, University of Oxford Search for other works by this author on: Oxford Academic PubMed Google Scholar QJM: An International Journal of Medicine, Volume 37, Issue 2, April 1968, Pages 303–317, https://doi.org/10.1093/oxfordjournals.qjmed.a067145 Published: 01 April 1968 Article history Received: 31 July 1967 Published: 01 April 1968
Burditt et al. (Mon,) studied this question.