TURKISH JOURNAL OF PEDIATRICS, vol.63, no.3, pp.510-515, 2021 (SCI-Expanded)
Background. Abnormal movements such as tremors and myoclonus may be observed during both treatment and deficiency of vitamin B12, particularly in infants. Infantile tremor syndrome (ITS) is defined by the tetrad of pallor, developmental delay/regression, skin pigmentation, and brown scanty scalp hair.