title: Numerical abnormalities of the X chromosome. Frequency among inpatients of a general hospital and in a general population.
mesh_terms: D002869:Chromosome Aberrations / Q000453:epidemiology*; D025063:Chromosome Disorders; D005260:Female; D006801:Humans; D007231:Infant, Newborn; D008297:Male; D012728:Sex Chromatin