Vitamin A deficiency is considered widespread health problem among chi
ldren in developing countries. There are a limited number of studies r
elated to the vitamin A status of children in Turkey, We studied serum
vitamin A levels in 80 healthy children less than 2 years of age admi
tted to Dr. Sami Ulus Children's Hospital for measles immunization, Vi
tamin A levels were determined by high performance liquid chromatograp
hy, and ranged from 8.5 to 34 mu g/dl (mean 23.54 +/- 6.86 mu g/dl), W
e have shown that subclinical vitamin A deficiency is an important pub
lic health problem in Ankara, as approximately 30 percent of the child
ren examined were found to have low levels of serum vitamin A (< 20 mu
g/dl).