1. Prevalence of Actinic Keratosis and Its Risk Factors in the General Population: The Rotterdam Study 
Sophie C. Flohil, Robert J.T. van der Leest, Emmilia A. Dowlatshahi, Albert Hofman, Esther de Vries, Tamar Nijsten 
Journal of Investigative Dermatology 
Volume 133, Issue 8, Pages (August 2013)
DOI: /jid
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2. Figure 1
Prevalence of actinic keratoses (AKs) among 2,061 participants of the Rotterdam Study (RS), stratified by sex. CI, confidence interval.
Journal of Investigative Dermatology  , DOI: ( /jid )
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3. Figure 2
Flowchart of the Rotterdam Study (RS). FBSE, full-body skin examination.
Journal of Investigative Dermatology  , DOI: ( /jid )
Copyright © 2013 The Society for Investigative Dermatology, Inc Terms and Conditions