In 2014, Michael Spiteller (Technische Universität Dortmund) and collaborators noted results, also in Angewandte Chemie, that supported the conclusion the existence of tramadol in All those tree roots was the result of tramadol obtaining been ingested by individuals and owning been administered to cattle (by farmers while in the location); https://koningapotheek.nl/product/tramadol-kopen/