Wilkinson DS, Bandmann HJ, Calnan CD, Cronin E, Fregert S, Hjorth N, Magnusson B, Maibach HI, Malten KE, Meneghini CL, Pirilä V PMID: 5485626
Gordon BI, Maibach HI PMID: 5358104
Khan AA, Maibach HI, Strauss WG, Fisher JL PMID: 5799038
Maibach HI, Strauss WG, Shinefield HR PMID: 5366167
Maibach HI, Khan AA, Strauss WG, Skinner WA PMID: 4387529