Study selection flow chart.

 
 
  Part of: Nikova AS, Sioutas G, Karanikas M, Birbilis T (2022) “Security dilemma”: active immunotherapy before versus after radiation therapy alone or chemo-radiotherapy for newly diagnosed glioblastoma. Folia Medica 64(2): 195-201. https://doi.org/10.3897/folmed.64.e62981