共 61 条
[1]
*AM SOC REPR MED, 1999, PRACT COMM REP COMM
[2]
[Anonymous], JAMA
[8]
DODSON WC, 1991, FERTIL STERIL, V55, P457
[9]
DODSON WC, 1987, FERTIL STERIL, V48, P441
[10]
Recent trends in the incidence of multiple births and associated mortality in England and Wales
[J].
ARCHIVES OF DISEASE IN CHILDHOOD-FETAL AND NEONATAL EDITION,
1996, 75 (01)
:F10-F19