TY  - GEN
AU  - Eppel,W
AU  - Schurz,B
AU  - Frigo,P
AU  - Adler,A
AU  - Asseryanis,E
AU  - Kudielka,I
AU  - Vavra,N
AU  - Reinold,E
TI  - [Vaginal sonography of the cervix in twin pregnancies]
SN  - 0016-5751
PY  - 1994///0509
KW  - Adult
KW  - Birth Weight
KW  - Cervix Uteri
KW  - diagnostic imaging
KW  - Female
KW  - Gestational Age
KW  - Humans
KW  - Infant, Newborn
KW  - Parity
KW  - Pregnancy
KW  - Pregnancy, Multiple
KW  - Prospective Studies
KW  - Reference Values
KW  - Ultrasonography, Prenatal
KW  - Uterine Cervical Incompetence
N1  - Publication Type: Journal Article
UR  - https://doi.org/10.1055/s-2007-1023545
ER  -