Sípek, A [Advanced maternal age as a sole indication for amniocentesis--analysis of 418 fetal karyotypes]. [electronic resource] - Ceska gynekologie Jun 2011 - 230-4 p. digital Publication Type: English Abstract; Journal Article ISSN: 1210-7832 Subjects--Topical Terms: AdultAmniocentesisChromosome Disorders--diagnosisFemaleHumansKaryotypingMaternal AgePregnancyPrenatal Diagnosis