@misc{indiciae28cbf7f4952a, title = {Problematic internet use: proposed classification and diagnostic criteria.}, author = {Nathan A Shapira and Mary C Lessig and Toby D Goldsmith and Steven T Szabo and Martin Lazoritz and Mark S Gold and Dan J Stein}, year = {2003}, doi = {10.1002/da.10094}, url = {https://pubmed.ncbi.nlm.nih.gov/12820176/}, note = {Source identifier: 12820176} }