[1] Mayo Clin, Sect Dermatol, Rochester, MN USA
[2] Mayo Clin, Sect Syphilol Biochem, Rochester, MN USA
[3] Mayo Clin, Sect Biophys, Rochester, MN USA
[4] Mayo Fdn, Sect Biophys, Rochester, MN USA
[5] Mayo Fdn, Sect Dermatol, Rochester, MN USA
[6] Mayo Fdn, Sect Syphilol Biochem, Rochester, MN USA