[Obstetrical ultrasonography during pregnancy without risk factors].
Puech
F
F
Vallee
B B
BB
Blondel
B
B
Caporossi
L
L
Collet
M
M
Derrien
J
J
Desroches
A
A
Droulle
P
P
Fermont
L
L
Fredouille
C
C
Haber
S
S
Leyronas
A
A
Matuchansky
C
C
Nisand
I
I
Pankert
N
N
Peresse
G
G
Talmant
C
C
Moquet
M J
MJ
D005260:Female; D006801:Humans; D011247:Pregnancy; D012307:Risk Factors; D016216:Ultrasonography, Prenatal