scholarly journals Combined Oral Contraceptive Use at the University of Port Harcourt Teaching Hospital, Port Harcourt, Southern Nigeria: A-20 Year Review

2017 ◽  
Vol 05 (06) ◽  
pp. 7-17 ◽  
Author(s):  
John Dimkpa Ojule ◽  
Emmanuel Okwudili Oranu
2008 ◽  
Vol 112 (3) ◽  
pp. 572-578 ◽  
Author(s):  
Daniel Grossman ◽  
Leticia Fernandez ◽  
Kristine Hopkins ◽  
Jon Amastae ◽  
Sandra G. Garcia ◽  
...  

2017 ◽  
Vol 48 (2) ◽  
pp. 203-211 ◽  
Author(s):  
Zhenlin Xu ◽  
Ying Li ◽  
Xiaoping Huang ◽  
Wei Shen ◽  
Jianling Bai ◽  
...  

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