A double-blind, randomized controlled trial of the use of a 50:50 mixture of nitrous oxide/oxygen in legal abortions

Contraception ◽  
2012 ◽  
Vol 86 (1) ◽  
pp. 79-83 ◽  
Author(s):  
Aubert Agostini ◽  
Julia Maruani ◽  
Pascale Roblin ◽  
Jocelyne Champion ◽  
Ludovic Cravello ◽  
...  
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