共 27 条
[1]
ABRAMSON M, 1968, AM J OBSTET GYNECOL, V96, P584
[2]
AIKEN LH, 1971, NURS RES, V20, P212
[4]
BARTLETT EE, 1966, PAC MED SURG, V74, P109
[8]
BONNETT OT, 1966, PAC MED SURG, V74, P297
[9]
Cheek DB, 1955, THEORETICAL CLIN ASP, P87
[10]
DOBERNECK RC, 1959, SURGERY, V46, P299