title: A sex chromatin and Y body survey of Toronto newborns.
mesh_terms: D000328:Adult; D000367:Age Factors; D000650:Amnion / Q000032:analysis; D002843:Chromatin / Q000032:analysis; D005260:Female; D005828:Genetics, Population; D006801:Humans; D007231:Infant, Newborn; D007621:Karyotyping; D008297:Male; D008433:Mathematics; D008875:Middle Aged; D009030:Mosaicism; D009864:Ontario; D010641:Phenotype; D011247:Pregnancy; D012621:Seasons; D012729:Sex Chromosome Aberrations / Q000453:epidemiology; D012730:Sex Chromosomes / Q000032:analysis
chemical_list: D002843:Chromatin