title: Letter to the editor regarding the article by Paganelli et al.
authors.forename: Gaston
authors.initials: G
authors.lastname: Palma
mesh_terms: D000818:Animals; D002645:Chickens; D004625:Embryo, Nonmammalian / Q000002:abnormalities / Q000187:drug effects*; D005998:Glycine / Q000031:analogs & derivatives* / Q000633:toxicity; D006540:Herbicides / Q000633:toxicity*; D013723:Teratogens / Q000633:toxicity*; D014212:Tretinoin / Q000378:metabolism*; D014982:Xenopus laevis / Q000196:embryology*; D000097797:Glyphosate
chemical_list: D005998:Glycine; D006540:Herbicides; D013723:Teratogens; D014212:Tretinoin; D000097797:Glyphosate