Long-Term Positive and Negative Psychological Late Effects for Parents of Childhood Cancer Survivors: A Systematic Review Ljungman, Lisa ; Cernvall, Martin ; Grönqvist, Helena ; Ljótsson, Brjánn ; Ljungman, Gustaf ; von Essen, Louise Abstract Publication: PLoS ONE Pub Date: July 2014 DOI: 10.1371/journal.pone.0103340 Bibcode: 2014PLoSO...9j3340L