G. Foster

发表

R. Liston, M. Hannah, M. Cohen, 1999, CMAJ : Canadian Medical Association journal = journal de l'Association medicale canadienne.

B. Leber, G. Browman, D. Bryant-Lukosius, 1995, Journal of clinical oncology : official journal of the American Society of Clinical Oncology.

E. Hodnett, M. Helewa, A. Willan, 2000, Obstetrics and gynecology.

E. Hodnett, A. Willan, M. Hannah, 1999, Obstetrics and gynecology.