1. A pedigree of mental defect showing sex linkage;Martin;Arch Neurol Psychiatry,1943
2. Familial sex-linked mental retardation;Renpenning;Can Med Assoc J,1962
3. A marker X chromosome;Lubs;Am J Hum Genet,1969
4. Fragile sites on human chromosomes: demonstration of their dependence on the type of tissue culture medium;Sutherland;Science,1977
5. Marker X chromosomes, mental retardation and macro-orchidism;Turner;N Engl J Med,1978