Chemical profiling and antioxidant activity of Equisetum ramosissimum Desf. stem extract, a potential traditional medicinal plant for urinary tract infections oleh Jeyalatchagan Sureshkumar, Singamoorthy Amalraj, Ramar Murugan, Anantharaj Tamilselvan, Jayaraj Krupa, Venkatraman Sriramavaratharajan, Shailendra S. Gurav, Muniappan Ayyanar