共 6 条
[4]
RUSSELL JGB, 1981, LAB INVEST, P3
[5]
SEPPANEN U, 1986, Acta Radiologica Diagnosis, V27, P481
[6]
THE RADIOLOGY OF STILLBIRTHS AND NEONATAL DEATHS
[J].
BRITISH JOURNAL OF OBSTETRICS AND GYNAECOLOGY,
1984, 91 (08)
:762-765