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Investigative Ophthalmology & Visual Science|June 1, 1980
Visual consequences of the foveal pitD R WilliamsCommunity Medicine|February 1, 1989
Outcome indicators for diabetes services--what do we have and what do we need?D R WilliamsInternational Journal of Health Services : Planning, Administration, Evaluation|January 1, 1996
Race/ethnicity and socioeconomic status: measurement and methodological issuesD R WilliamsHealth Services Research|August 1, 1994
The concept of race in Health Services Research: 1966 to 1990D R WilliamsAmerican Journal of Public Health|August 14, 2001
Changing to the 2000 standard million: are declining racial/ethnic and socioeconomic inequalities in health real progress or statistical illusion?N Krieger, D R WilliamsNature|February 24, 1999
The arrangement of the three cone classes in the living human eyeA Roorda, D R WilliamsScience (New York, N.Y.)|July 22, 1983
Consequences of spatial sampling by a human photoreceptor mosaicD R Williams, R CollierDiabetic Medicine : a Journal of the British Diabetic Association|November 1, 1994
Random blood glucose as a screening test for diabetes in a biethnic populationD Simmons, D R WilliamsJournal of the Experimental Analysis of Behavior|September 1, 1971
Discrete-trials spaced responding in the pigeon: the dependence of efficient performance on the availability of a stimulus for collateral peckingB Schwartz, D R WilliamsPageof 34