title: SEX CHROMATIN IN NEWBORNS: PRESUMPTIVE EVIDENCE FOR EXTERNAL FACTORS IN HUMAN NONDISJUNCTON.
mesh_terms: D000650:Amnion; D002869:Chromosome Aberrations; D003141:Communicable Diseases; D004314:Down Syndrome; D005260:Female; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D009061:Mouth Mucosa; D011247:Pregnancy; D011248:Pregnancy Complications; D011251:Pregnancy Complications, Infectious; D012409:Rubella; D012728:Sex Chromatin; D013223:Statistics as Topic; D014314:Trisomy; D014424:Turner Syndrome
keywords: AMNION; INFANT, NEWBORN; MONGOLISM; MOUTH MUCOSA; PREGNANCY; PREGNANCY COMPLICATIONS, INFECTIOUS; RUBELLA; SEX CHROMATIN; STATISTICS; TRISOMY; TURNER'S SYNDROME