TY  - GEN
AU  - Davey,D A
AU  - Coetzee,E J
TI  - The value of ultrasound and clinical trials in obstetrics
SN  - 0306-5456
PY  - 1986///0321
KW  - Clinical Trials as Topic
KW  - Female
KW  - Humans
KW  - Pregnancy
KW  - Pregnancy Complications
KW  - diagnosis
KW  - Ultrasonography
N1  - Publication Type: Letter
UR  - https://doi.org/10.1111/j.1471-0528.1986.tb07823.x
ER  -