By Martin J.   Helm K.   Ruegg P.   Varella-Garcia M.   Burnham E.   Majka S.   in Cytotherapy

ISSN:1465-3249|10|2|140-151

Ashgate Publishing Ltd‎(2008)‎

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By Kirkup ME   Birchall NM   Weinberg EG   Helm K   Kennedy CTC   in Journal of Dermatological Treatment

ISSN:1471-1753|14|3|141-148

Informa Healthcare‎(2003)‎

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By Gallagher M.   Bizon J.L.   Hoyt E.C.   Helm K.A.   Lund P.K.   in Experimental Gerontology

ISSN:0531-5565|38|1|71-77

Elsevier‎(2003)‎

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