• The fragile X: a scanning electron microscope study.

      Harrison, Christine J; Jack, E M; Allen, Terence D; Harris, R; Department of Cell Biology, Paterson Laboratories, Christie Hospital and Holt Radium Institute, Manchester M20 9BX (1983-08)
      Scanning electron microscopy (SEM) has been used to study the fragile X chromosome. The fragile site appears as an isochromatid gap in the majority of cases, confirming light microscope (LM) observations. SEM has allowed a more precise location of the fragile site to the Xq27 . 3 region.