Wolfe J, Orellana L, Ullrich C, Cook EF, Kang TI, Rosenberg A, Geyer R, Feudtner C, Dussel V. Symptoms and Distress in Children With Advanced Cancer: Prospective Patient-Reported Outcomes From the PediQUEST Study. J Clin Oncol. 2015 Jun 10;33(17):1928-35. doi: 10.1200/JCO.2014.59.1222. Epub 2015 Apr 27. PMID: 25918277; PMCID: PMC4451175.