[Circumstances for the cytogenetic diagnosis of trisomy 21].
Layet
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D000293:Adolescent; D000328:Adult; D000367:Age Factors; D002648:Child; D004314:Down Syndrome / Q000235:genetics*; D006801:Humans; D007231:Infant, Newborn; D007621:Karyotyping; D011296:Prenatal Diagnosis
Circonstances de diagnostic cytogénétique de la trisomie 21.