%0 Journal Article %J Advances in Psychiatry and Neurology/Postępy Psychiatrii i Neurologii %@ 1230-2813 %V 29 %N 1 %D 2020 %F Kalisz2020 %T Negative syndrome, persistent negative symptoms and deficit syndrome and their associations with severity of clinical symptoms and level of functioning in 20-year schizophrenia %A Kalisz, Aneta %A Mętel, Dagmara %A Daren, Artur %A Błądziński, Piotr %A Kruk, Dawid %A Cechnicki, Andrzej %P 25-38 %9 journal article %R 10.5114/ppn.2020.94693 %U http://dx.doi.org/10.5114/ppn.2020.94693