{Reference Type}: Letter
{Title}: Before an abducens palsy can be attributed to a congenital vitamin-B12 deficiency, alternative causes must be ruled out.
{Author}: Finsterer J;
{Journal}: Childs Nerv Syst
{Volume}: 39
{Issue}: 9
{Year}: 2023 09 14
{Factor}: 1.532
{DOI}: 10.1007/s00381-023-06079-9