Gibbons, R., Wilkie, A., Weatherall, D., & Higgs, D. (1991). A newly defined X linked mental retardation syndrome associated with alpha thalassaemia.
Lua i Stíl Chicago (17ú heag.)Gibbons, R., A. Wilkie, D. Weatherall, agus D. Higgs. A Newly Defined X Linked Mental Retardation Syndrome Associated with Alpha Thalassaemia. 1991.
Lua MLA (9ú heag.)Gibbons, R., et al. A Newly Defined X Linked Mental Retardation Syndrome Associated with Alpha Thalassaemia. 1991.
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