(9) M. Ponec-Waelsch and HJ Hulsebosch, Arch. Dermatol. ... (10) S. Comaish, J. Smith, and RH Seville, Rr. J. Derrnatol., 84,282 ... (11) P. Arends, J. Chromatogr., 47,550 (1970). (12) H. Beerman, GV Kulchar, and D. M. Pillsbury, J. Am. Med. ... (13) EM Farber and D. R. Harris, Arch. Dermatol., 101, 381 ... (14) MW Gay, WJ Moore, JM Morgan, and L. F. Montes, ibid., 105,213 (1972). 115) H. Baker and TJ Rvan. Rr. J. Dermatol.. 80,771 (1968). (16) M. ...