Prognostic indicators for poor outcomes in low back pain patients consulted in primary care Cruz, Eduardo B. ; Canhão, Helena ; Fernandes, Rita ; Caeiro, Carmen ; Branco, Jaime C. ; Rodrigues, Ana M. ; Pimentel-Santos, Fernando ; Gomes, Luís A. ; Paiva, Sofia ; Pinto, Isabel ; Moniz, Rubina ; Nunes, Carla Abstract Publication: PLoS ONE Pub Date: March 2020 DOI: 10.1371/journal.pone.0229265 Bibcode: 2020PLoSO..1529265C