Eberlein-König, B, et al. “Skin Surface PH, Stratum Corneum Hydration, Trans-Epidermal Water Loss and Skin Roughness Related to Atopic Eczema and Skin Dryness in a Population of Primary School Children”. Acta Dermato-Venereologica, vol. 80, no. 3, May 2000, pp. 188-91, doi:10.1080/000155500750042943.