Ning Zheng

Primary obturator foramen pregnancy: a case report and review of literature.

Yan Ju, Q. Guan, Yuan-zhe Wu, 2008, Chinese medical journal.

Elevated CA125 in primary peritoneal serous psammocarcinoma: a case report and review of the literature

X. Ye, Qi Liu, Q. Zhou, 2009, BMJ Case Reports.