TY  - GEN
AU  - Veropotvelian,N P
AU  - Veropotvelian,P N
AU  - Korotkov,A V
TI  - [An analysis of the causes for the occurrence of Down's syndrome and the current approaches to its prevention at the stage of mass prenatal ultrasonic and immunobiochemical screening of pregnant women]
SN  - 0564-3783
PY  - 1996///0924
KW  - Down Syndrome
KW  - diagnostic imaging
KW  - Female
KW  - Humans
KW  - Karyotyping
KW  - Mass Screening
KW  - methods
KW  - Maternal Age
KW  - Pregnancy
KW  - Ultrasonography, Prenatal
N1  - Publication Type: Journal Article; Review
ER  -