To determine the efficacy of a single oral dose of 150,000 IU of vitamin D2 at the beginning of autumn for preventing winter vitamin D deficiency in children in Ushuaia (55 degrees S).
The study was prospective.
79 children clinically healthy with 8.6 +/- 1.4 y of age (X +/- s.d.).
Fasting serum venous samples… CONTINUE READING