Ghritlaharey, R.K. 2021. Extrusion of the distal ventriculoperitoneal shunt catheter through the umbilicus: a systematic literature review from 1973 to 2021. International Surgery Journal. 8, 12 (Nov. 2021), 3654–3662. DOI:https://doi.org/10.18203/2349-2902.isj20214472.