Villarama CD, Maibach HI PMID: 18492181
Hikima T, Tojo K, Maibach HI PMID: 15908755
Sivamani RK, Stoeber B, Wu GC, Zhai H, Liepmann D, Maibach H PMID: 15807814
Lowney YW, Ruby MV, Wester RC, Schoof RA, Holm SE, Hui XY, Barbadillo S, Maibach HI PMID: 15986571
Bashir SJ, Dreher F, Chew AL, Zhai H, Levin C, Stern R, Maibach HI PMID: 15725565