Bhati, A. S., Tyagi, A., & Tyagi, S. K. (2018). Attachment of a pressure gradient chamber to existing lumbar theco-peritoneal shunt in a patient with pseudotumor cerebri with low pressure headaches, a novel procedure: a case report. International Surgery Journal, 5(12), 4075–4077. https://doi.org/10.18203/2349-2902.isj20185048