Strategies for identifying pregnancies in the automated medical records of the General Practice Research Database

2004 ◽  
Vol 13 (11) ◽  
pp. 749-759 ◽  
Author(s):  
Janet R. Hardy ◽  
Theodore R. Holford ◽  
Gillian C. Hall ◽  
Michael B. Bracken
PLoS ONE ◽  
2011 ◽  
Vol 6 (12) ◽  
pp. e28157 ◽  
Author(s):  
Arlene M. Gallagher ◽  
Liam Smeeth ◽  
Suzie Seabroke ◽  
Hubert G. M. Leufkens ◽  
Tjeerd P. van Staa

Drug Safety ◽  
2004 ◽  
Vol 27 (12) ◽  
pp. 871-881 ◽  
Author(s):  
Louise Wood ◽  
Carlos Martinez

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