(Q40738129)
Statements
1 reference
Use of cervical ultrasonography in prediction of spontaneous preterm birth in twin gestations (English)
1 reference
Guzman ER
1 reference
Walters C
1 reference
O'reilly-Green C
1 reference
Kinzler WL
1 reference
Waldron R
1 reference
Nigam J
1 reference
Vintzileos AM
1 reference
1 November 2000
1 reference
1 reference
183
1 reference
5
1 reference
1103-1107
1 reference
Identifiers
1 reference
1 reference