(Q45748739)
Statements
1 reference
The frequency of breech presentation by gestational age at birth: a large population-based study (English)
J R Daling
1 reference
D. E. Hickok
D. C. Gordon
J. A. Milberg
M. A. Williams
1 March 1992
1 reference
166
1 reference
3
1 reference
851-852
1 reference