Wester RC, Maibach HI, Melendres J, Sedik L, Knaak J, Wang R PMID: 1426710
Wester RC, Maibach HI PMID: 1296607
Melendres JL, Bucks DA, Camel E, Wester RC, Maibach HI PMID: 1409398
Lahti A, Camarasa JG, Ducombs G, Lachapelle JM, Maibach HI, Menné T, Niinimäki A, Wahlberg JE, Wilkinson JD, Wrangsjö K PMID: 1451467