共 51 条
[2]
[Anonymous], 1991, Lancet, V338, P131, DOI 10.1016/0140-6736(91)90133-A
[3]
[Anonymous], 1999, Pediatrics, V104, P325, DOI 10.1542/peds.104.2.325
[4]
[Anonymous], 2003, INT J GYNECOL OBSTET, V83, P123
[9]
Byrne J, 2001, Ir Med J, V94, P302