Hui X, Hewitt PG, Poblete N, Maibach HI, Shainhouse JZ, Wester RC PMID: 9794502
Gilman SD, Gee SJ, Hammock BD, Vogel JS, Haack K, Buchholz BA, Freeman SP, Wester RC, Hui X, Maibach HI PMID: 9726169
Aly R, Bayles C, Bibel DJ, Maibach HI, Orsine CA PMID: 9721393
Nakada T, Hostýnek JJ, Maibach HI PMID: 9746185