Study that said glyphosate herbicide is safe retracted 25 years after publication CTV NewsInfluential study on glyphosate safety retracted 25 years after publication Le Monde.frLandmark glyphosate safety study retracted for Monsanto ghostwriting, other ethics problems U.S. Right to KnowStudy that said glyphosate herbicide is safe retracted 25 years after publication – Business News Castanet