1. Defining the Burden of Skin Disease in the United States—A Historical Perspective 
Marie-Louise T. Johnson 
Journal of Investigative Dermatology Symposium Proceedings 
Volume 9, Issue 2, Pages (March 2004)
DOI: /j x
Copyright © 2004 The Society for Investigative Dermatology, Inc Terms and Conditions

2. Figure 1
Prevalence rates for significant skin pathology among persons 1 to 74 y by age and sex: United States 1971 to 1974.
Journal of Investigative Dermatology Symposium Proceedings 2004 9, DOI: ( /j x)
Copyright © 2004 The Society for Investigative Dermatology, Inc Terms and Conditions

3. Figure 2
Prevalence rates for the seven leading types of skin pathology among persons 1 to 74 y of age, by sex: United States 1971 to 1974.
Journal of Investigative Dermatology Symposium Proceedings 2004 9, DOI: ( /j x)
Copyright © 2004 The Society for Investigative Dermatology, Inc Terms and Conditions