When are we allowed to use a marker in Down syndrome screening?
Farina
A
A
Rizzo
N
N
Carinci
P
P
Bovicelli
L
L
D004314:Down Syndrome / Q000175:diagnosis*; D005260:Female; D005819:Genetic Markers; D005820:Genetic Testing; D006801:Humans; D015233:Models, Statistical; D011247:Pregnancy
D005819:Genetic Markers