Hans F. Merk

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Books by Hans F. Merk (50 max)

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Environment and Skin

2017

Jean Krutmann, Hans F. Merk

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Cosmetics Controlled Efficacy Studies and Regulation

2012

P. Elsner, Hans F. Merk, Howard I. Maibach, F.H. Kemper

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Cosmetics: Controlled Efficacy Studies and Regulation

1999

Peter Elsner, Hans F. Merk, Howard I. Maibach