Ellis CN, Swanson NA, Grekin RC, Goldstein NG, Bassett DR, Anderson TF, Voorhees JJ PMID: 7103524
Lynde CW, Mitchell JC, Adams RM, Maibach HI, Schorr WJ, Storrs FJ, Taylor J PMID: 7105695
Trancik RJ, Maibach HI PMID: 7094572
Ellis CN, Gold RC, Grekin RC, Anderson TF, Swanson NA, Voorhees JJ PMID: 7068978
Robertson DB, Maibach HI PMID: 6461612
Roenigk HH, Auerbach R, Maibach HI, Weinstein GD PMID: 7037877