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I 0,10 1% Forma Idehyde s% Forma Idehyde 10% Forma Idehyde 0,00 II 0,10 0,00 0,10 0,00 •Figure Y recessive regeneration of •eating in areas of applica- an of 1%,5%, and 10% ß maldehyde for a period of hours as a function of suc- cessive stripping. Forearm: Exposure time 10 h Control area ............. Tested area I Before stripping II after 10 strippings III after 25 strippings IV after 50 strippings ,00

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