Guo, et al., “Stat3 Upregulates Leucine‐Rich Repeat‐Containing G Protein‐Coupled Receptor 4 Expression in Osteosarcoma Cells,” BioMed Research International 2013 (2013): 310691, https://doi.org/10.1155/2013/310691. Here, STAT3 is linked to osteosarcoma.