文
论文分享
演练场
杂货铺
论文推荐
字
编辑器下载
登录
注册
G. C. Mason
发表
Randomised comparison of routine versus highly selective use of Doppler ultrasound in low risk pregnancies
R. Lilford, G. Mason, J. Porter, 1993, British journal of obstetrics and gynaecology.