共 12 条
[1]
AARKHUS T, 1966, BR J RADIOL, V39, P928
[5]
HARDY EG, 1963, BR MED J, V5346, P1658
[7]
MAVOR GE, 1966, P R SOC MED, V59, P46
[8]
ROBERTSON GS, 1969, SURG GYNECOL OBSTETR, V128, P15