Kimber I, Maibach HI, Msotschi H PMID: 15899014
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
Gruvberger B, Andersen KE, Brandão FM, Bruynzeel DP, Bruze M, Frosch PJ, Goossens A, Lahti A, Maibach HI, Menné T, Orton D, Seidenari S PMID: 15701125
Ross JH, Driver JH, Harris SA, Maibach HI PMID: 15649830