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10.1038/nrclinonc.2015.105 38 Cubillos-ZapataC.Avendao-OrtizJ.Hernandez-JimenezE.ToledanoV.Casas-MartinJ.Varela-SerranoA.et al (2017)
Retrieved 12 July 2023
Also theres a possibility that the needle hit a larger blood vessel which has bled into the muscle thus causing pain and stiffness
Heres how it looks: Why Are We So Excited
