1.
Alcohol and tobacco variables in the assessment of internal validity in an unmatched case-control study of occupational cancer in the Campania Region of Italy, 1988-1990. Eur J Oncol [Internet]. 2017 Jan. 10 [cited 2024 Jul. 1];12(1):15-22. Available from: https://mattioli1885journals.com/index.php/EJOEH/article/view/4957