Fanti PA, Dika E, Misciali C, Vaccari S, Barisani A, Piraccini BM, Cavrin G, Maibach HI, Patrizi A PMID: 23153047
Modjtahedi BS, Movassagh N, Gandhi N, Morse LS, Maibach HI PMID: 23607658
Hafeez F, Hui X, Selner M, Rosenthal B, Maibach H PMID: 23600655
Singh B, Maibach H PMID: 23521370