A positive take on schizophrenia negative symptom scales: Converting scores between the SANS, NSA and SDS.
Preda A, Nguyen DD, Bustillo JR, Belger A, O'Leary DS, McEwen S, Ling S, Faziola L, Mathalon DH, Ford JM, Potkin SG, van Erp TGM. A positive take on schizophrenia negative symptom scales: Converting scores between the SANS, NSA and SDS. Schizophr Res. 2018 11; 201:113-119.