Zacarías León's thesis describes the development and validation of analytical methods to estimate the processes set in motion by percutaneous absorption of UV

In the early 20th century, tanned skin was associated with good health. However, people began to protect themselves against potential overexposure to avoid sunb

This Test method has been designed to provide information on absorption of a test substance, (ideally radiolabelled), applied to the surface of a skin sample se

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