A. Pena, M. Strupler, T. Boulesteix, and M. C. Schanne-klein, Spectroscopic analysis of keratin endogenous signal for skin multiphoton microscopy, Optics Express, vol.13, issue.16, pp.6268-6274, 2005.
DOI : 10.1364/OPEX.13.006268
URL : https://hal.archives-ouvertes.fr/hal-00807874

R. Eichner and M. Kahn, Differential extraction of keratin subunits and filaments from normal human epidermis, The Journal of Cell Biology, vol.110, issue.4, pp.1149-1158, 1990.
DOI : 10.1083/jcb.110.4.1149