1) Katz, S.I., Tamaki, K. & Sachs, D.H.: Epidermal Langerhans cells are derived from cells originating in bone marrow. Nature 282: 324-326, 1979
2) Tamaki, K., Stingl, G. & Katz, S.I.: The origin of Langerhans cells. J. Invest. Dermatol. 74: 301-311, 1980
3) Birbeck, M.S., Brethnach, A.S. & Everall, J.D.: An electron microscopic study of basal melanocyte and high level clear cell (Langerhans cell) in vitiligo. J. Invest. Dermatol. 37: 51-63, 1961
4) Breathnach, A.S.: Observations on cytoplasmic organelles in Langerhans cells of human epidermis. J. Anat. Land. 98: 265-270, 1964
5) Wolff, K. & Winkelmann, R.K.: Ultrastructural localization of nucleoside triphosphatase in Langerhans cells. J. Invest. Dermatol. 48: 50-54, 1967