Recurrent pain symptoms among adolescents with generalized and specific problematic internet use: A large-scale cross-sectional study por Sergey Tereshchenko, Edward Kasparov, Valery Manchuk, Lidia Evert, Olga Zaitseva, Marina Smolnikova, Margarita Shubina, Nina Gorbacheva, Ivan Novitckii, Olga Moskalenko, Ludmila Lapteva, Mark D. Griffiths

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