Vermaning, Sietske, Anna Jansen, Tim Vanderhasselt, Luc Régal, and Tessa Wassenberg. “Transient Headache and Neurological Deficits With Cerebrospinal Fluid Lymphocytosis (HaNDL-Syndrome) With an Acute Confusional State and Papilledema in a 10-Year Old Girl: A Case Report”. Belgian Journal of Paediatrics 23, no. 1 (April 12, 2021). Accessed April 17, 2026. https://mail.belgjpaediatrics.com/index.php/bjp/article/view/182.