By Westerhof W   Nieuweboerkrobotova L   Verschoor J   in Journal of Dermatological Treatment

ISSN:1471-1753|11|3|155-160

Informa Healthcare‎(2000)‎

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By Njoo M.D.   Westerhof W.   in American Journal of Clinical Dermatology

ISSN:1175-0561|2|3|167-181

Adis International‎(2001)‎

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