1. Key paper by Professor Michael Cork from Sheffield. His studies help define normal and abnormal skin physiology and the effect of pH on enzyme systems in the skin and their effects on skin barrier function.
http://www.ncbi.nlm.nih.gov/pubmed/16815133 - click on link for full article
2. This paper by Fien and Osferoff explores the indications and treatment options for topical PDT. The studies also compare photosenitisers and light sources.
http://www.jnccn.org/content/5/5/531.abstract - click on link for full article.
