Low second-trimester maternal serum human chorionic gonadotrophin in a trisomy 9 pregnancy

1998 ◽  
Vol 18 (11) ◽  
pp. 1212-1212 ◽  
Author(s):  
Yung Hang Lam ◽  
Chin Peng Lee ◽  
Mary Hoi Yin Tang
Author(s):  
Emma J. Davidson ◽  
Simon C. Riley ◽  
Stephen A. Roberts ◽  
Catherine H. Shearing ◽  
Nigel P. Groome ◽  
...  

Placenta ◽  
1998 ◽  
Vol 19 (2-3) ◽  
pp. 143-147 ◽  
Author(s):  
M.J.M. Luckas ◽  
R. Sandland ◽  
J. Hawe ◽  
J.P. Neilson ◽  
I.R. McFadyen ◽  
...  

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