Increasing vegetables purchase with a descriptive-norm message: A cluster randomized controlled intervention in two university canteens

Appetite ◽  
2021 ◽  
pp. 105624
Author(s):  
Emilie Guichard ◽  
Frédérique Autin ◽  
Jean-Claude Croizet ◽  
Stéphane Jouffre
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