Footnotes

a D-Squame tape discs, CuDerm Corp., Dallas, Tex. D-Squame is a registered trademark.
b Tewameter, TM 210, Courage & Khazaka, Cologne, Germany, and Acaderm Inc., Menlo Park, Calif., USA. Tewameter is a registered trademark.
c Vapometer SWL-3, Delfin Technologies Ltd, Kuopio, Finland. Vapometer is a registered trademark.
d SigmaStat, a product of SPSS Science, Chicago, Ill., USA. SigmaStat is a registered trademark.