False-positive and false-negative findings on chorionic villus sampling.
Hunter
A
A
D002824:Chorionic Villi / Q000648:ultrastructure*; D005188:False Negative Reactions; D005189:False Positive Reactions; D005260:Female; D006801:Humans; D011247:Pregnancy; D011296:Prenatal Diagnosis / Q000592:standards*