共 13 条
[1]
BAUMGARTEN A, 1985, LANCET, V1, P1280
[2]
BRADLEY LA, 1986, NEW ENGL J MED, V315, P193
[3]
BURTON BK, 1986, PEDIATRICS, V77, P582
[4]
CAMPBELL TL, 1986, NEW ENGL J MED, V314, P1516
[5]
HAMILTON MPR, 1985, OBSTET GYNECOL, V65, P465
[6]
HERSHEY DW, 1986, OBSTET GYNECOL, V68, P177
[8]
KNIGHT GJ, 1986, NEW ENGL J MED, V314, P516