1. Witkop, C.J. Jr., Hill, C.W., Desnick, S., Theis, J.K., Thorn, H.L. & Jenkins, M. Opthalmologic, biochemical, platelet and ultrastructural defects in the various types of oculocutaneous albinism. J. invest. Dermatol. 60, 443–456 (1973).
2. Witkop, C.J. Jr., Nance, W.E., Rawls, R.F. & White, J.G. Autosomal recessive oculocutaneous albinism in man: evidence for genetic heterogeneity. Am. J. hum. Genet. 22, 55–74 (1970).
3. Witkop, C.J. Jr., Quevedo, W.C., Fitzpatrick, T.B. & King, R.A. in The metabolic basis of inherited diseases, 6th edn (eds C.R., Scriver, A.L., Beaudet, W.S., Sly & D., Valle) 2905–2947 (McGraw-Hill, New York, 1989).
4. Okoro, A.N. Albinism in Nigeria. Br. J. Dermatol. 92, 485–492 (1975).
5. Aquaron, R. Oculocutaneous albinism In Cameroon: a 15-year follow-up study. Ophthalmic Paediat. Gen. 4, 255–263 (1990).