J. Xu

A comparative study of two techniques used in immediate postplacental insertion (IPPI) of the Copper T-380A IUD in Shanghai, People's Republic of China.

I. Chi, R. Rivera, X.-L. Yang, 1996, Contraception.

Pregnancies conceived using assisted reproductive technologies (ART) have low levels of pregnancy-associated plasma protein-A (PAPP-A) leading to a high rate of false-positive results in first trimester screening for Down syndrome.

D. Amor, J. Halliday, H. Baker, 2009, Human reproduction.

Early pregnancy Pregnancies conceived using assisted reproductive technologies ( ART ) have low levels of pregnancy-associated plasma protein-A ( PAPPA ) leading to a high rate of false-positive results in first trimester screening for Down syndrome

D. Amor, J. Halliday, H. Baker, 2009 .

[Contraceptive efficacy of Sino-female condom: comparison with condom].

J. Xu, Q. Cao, Y. Wu, 1999, Zhonghua fu chan ke za zhi.

Immediate postplacental insertion of the intrauterine device: A review of Chinese and the world's experiences

A. Burdan, C. Reusche, J. Xu, 1994, Advances in contraception : the official journal of the Society for the Advancement of Contraception.

Billings natural family planning in Shanghai, China

J. Xu, J. Yan, D. Fan, 1994, Advances in contraception : the official journal of the Society for the Advancement of Contraception.