Crespi V, Maio RC, Veronesi G, Gianfagna F, Taborelli S, Ferrario MM. Workplace drug testing on urine samples: evidence for improving efficacy of a first-level screening programme. Med Lav [Internet]. 2015 Sep. 9 [cited 2024 Jul. 18];106(5):374-85. Available from: https://mattioli1885journals.com/index.php/lamedicinadellavoro/article/view/4328