Today. an Arnold-Chiari malformation is defined as a developmental pathology of the craniovertebral junction manifested by a discrepancy between the volume and contents of the posterior cranial fossa. which in turn leads to compression of neurological structures and changes in the cerebrospinal fluid circulation. There are several theories of the correlation between Chiari malformatio... https://www.ealisboa.com/great-deal-Pentair-Union-Collar-2-U11-200PS-super-offer/