Piérard, G.E., Hermanns, J.F., Lapière, C., Stéréologie de l'interface dermoépidermique (1974) Dermatologica, 149, pp. 266-273
Lavker, R.M., Kwong, F., Kligman, A.M., Changes in skin surface patterns with age (1980) J Gerontol, 35, pp. 348-354
Corcuff, P., Gracia, A.M., De Lacharnière, O., Lévêque, J.L., Image analysis of the skin microrelief as a non invasive method to approach the dermal architecture (1989) The Dermis From Biology to Diseases, pp. 102-113. , Piérard GE, Piérard-Franchimont C, eds. Monographies dermatopathalogiques liégeoises
Gilchrest, B.A., Skin aging and photoaging: An overview (1989) J Am Acad Dermatol, 21, pp. 610-613
Piérard, G.E., The quandary of climacteric skin aging (1996) Dermatology, 193, pp. 273-274
Griffiths, C.E., The clinical identification and quantification of photodamage (1992) Br J Dermatol, 127, pp. 37-42
Lévêque, J.L., EEMCO guidance for the assessment of skin topography (1999) J Eur Acad Dermatol Venereal, 12, pp. 103-114
Piérard, G.E., Instrumental evaluation of anti-wrinkle activity of cosmetic products. What's new? (2001) J Eur Acad Dermatol Venereal, 15, pp. 194-195
Kligman, A.M., Zheng, P., Lavker, R.M., The anatomy and pathogenesis of wrinkles (1985) Br J Dermatol, 113, pp. 37-42
Piérard, G.E., Lapière, C., The microanatomical basis of facial frown lines (1989) Arch Dermatol, 125, pp. 1090-1092
Nogashima, H., Hanada, K., Hashimoto, I., Correlation of skin phototype with facial wrinkle formation (1999) Photodermatol Photoimmunol Photomed, 15, pp. 2-6
Hermanns, J.F., Petit, L., Piérard-Franchimont, C., Cauwenbergh, G., Piérard, G.E., Unraveling the patterns of subclinical phaeomelanin-enriched facial hyperpigmentation. Effect of depigmenting agents (2000) Dermatology, 201, pp. 118-122