N. Johnson
发表
M. Sermer,
C. Maxwell,
A. Lausman,
2009,
International journal of gynaecology and obstetrics: the official organ of the International Federation of Gynaecology and Obstetrics.
P. Shannon,
P. Shah,
R. Windrim,
2009,
Journal of obstetrics and gynaecology Canada : JOGC = Journal d'obstetrique et gynecologie du Canada : JOGC.
S. Blaser,
R. Windrim,
K. Chong,
2008,
Ultrasound in obstetrics & gynecology : the official journal of the International Society of Ultrasound in Obstetrics and Gynecology.