Rietschel RL, Fowler JF, Warshaw EM, Belsito D, DeLeo VA, Maibach HI, Marks JG, Mathias CG, Pratt M, Sasseville D, Storrs FJ, Taylor JS, Zug KA PMID: 18346391
Farage MA, Miller KW, Berardesca E, Maibach HI PMID: 18988090
Ladrigan MK, LeBoit PE, Frieden IJ PMID: 18304154
Ladrigan MK, LeBoit PE, Frieden IJ PMID: 18304154