1. Psoriasis and Cardiovascular Risk: Strength in Numbers, Part II
Joel M. Gelfand, Nehal N. Mehta, Sinéad M. Langan 
Journal of Investigative Dermatology 
Volume 131, Issue 5, Pages (May 2011)
DOI: /jid
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2. Figure 1
Unified concept of analytical epidemiology studies, highlighting the major sources of error.
Journal of Investigative Dermatology  , DOI: ( /jid )
Copyright © 2011 The Society for Investigative Dermatology, Inc Terms and Conditions