Urea Uptake Enhances Barrier Function and Antimicrobial Defense in Humans by Regulating Epidermal Gene Expression - Susanne Grether‐Beck; Ingo Felsner; Heidi Brenden; Zippora Kohne; Marc Majora; Alessandra Marini; Thomas Jaenicke; Marina Rodríguez‐Martín; Carles Trullàs; Melanie Hupe; Peter M. Elias; Jean Krutmann (2012)