RT Journal Article SR Electronic T1 Primary CNS infiltrative parenchymal histiocytosis JF Practical Neurology JO Pract Neurol FD BMJ Publishing Group Ltd SP 330 OP 331 DO 10.1136/practneurol-2022-003403 VO 22 IS 4 A1 Giammello, Fabrizio A1 Grillo, Francesco A1 Granata, Francesca A1 Galletta, Karol A1 La Spina, Paolino A1 Toscano, Antonio A1 Musolino, Rosa Fortunata YR 2022 UL http://pn.bmj.com/content/22/4/330.abstract AB