共 6 条
[2]
COOPERBERG PL, 1980, NEW ENGL J MED, V302, P1277, DOI 10.1056/NEJM198006053022303
[3]
COSGROVE DO, 1982, ULTRASOUND IMAGING, P238
[4]
DELACEY G, 1984, LANCET, V1, P205
[5]
1981, BR MED J, V282, P3
[6]
1981, HOSPITAL IN PATI MB4