• Corpus ID: 35508598

Plasma vitamin A levels--a diagnostic indicator of hepatitis in an institutionalized mentally retarded population.

@article{Curtis1976PlasmaVA,
  title={Plasma vitamin A levels--a diagnostic indicator of hepatitis in an institutionalized mentally retarded population.},
  author={Jerry L. Curtis and Wynette Swicord},
  journal={American journal of mental deficiency},
  year={1976},
  volume={81 1},
  pages={
          12-7
        }
}
Based on hepatitis-associated antigen carrier status as a model liver disease, level of vitamin A can be a useful diagnostic indicator in mentally retarded individuals. It was found that vitamin A levels and age were linearly related by the equation A = (B + CD), where A is the plasma vitamin A in mugms per 100 mls of plasma, B is the sex dependent constant of 25.9 for males and 28.4 for females, C is a sex dependent constant of 0.64 for males and 0.77 for females, and D is age in years. Above… 
1 Citations

Effects of Medication on Plasma Vitamin A Concentrations

Data indicate that more investigations in the area of drug/vitamin A interaction are needed and indicate that four additional drugs influence actual or apparent plasma vitamin A values.