RT Journal
T1 MAternal age–based prenatal genetic testing—reply
JF JAMA
JO JAMA
YR 2006
FD August 23
VO 296
IS 8
SP 930
OP 930
DO 10.1001/jama.296.8.930-b
UL http://dx.doi.org/10.1001/jama.296.8.930-b
AB