共 18 条
[1]
Adeyemo D., 1999, Journal of Obstetrics and Gynaecology (Abingdon), V19, P328
[2]
ALEXANDER AR, 1979, OBSTET GYNECOL, V53, pS7
[6]
BUCHAN PC, 1980, BRIT J CLIN PRACT, V34, P227
[7]
Culpepper J P 3rd, 1985, J Miss State Med Assoc, V26, P341