共 12 条
[3]
HADDOW JE, 1979, J LAB CLIN MED, V94, P344
[4]
CALIFORNIAS EXPERIENCE WITH LOW MS-AFP RESULTS
[J].
AMERICAN JOURNAL OF MEDICAL GENETICS,
1988, 31 (01)
:211-222
[5]
Meisner L F, 1987, Birth Defects Orig Artic Ser, V23, P333
[9]
OBRIEN WF, 1988, OBSTET GYNECOL, V71, P994