%0 Journal Article %T Symptom screening rules to identify active pulmonary tuberculosis: Findings from the Zambian South African Tuberculosis and HIV/AIDS Reduction (ZAMSTAR) trial prevalence surveys %A C. van Schalkwyk %A H. Ayles %A M. M. Claassens %A N. Beyers %A S. Floyd %J Archive of "PLoS ONE". %D 2017 %R 10.1371/journal.pone.0172881 %U https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5336223/