However, scientists have attacked the study for jumping to conclusions, by failing to compare zinc concentrations with those in children without autism.
The researchers found that the films had a zinc concentration about a million times higher than the surrounding water.
The zinc concentration in the tunnel water averages at 0.7 milligrams per liter.
The diatoms live in environments with very low zinc concentrations and cadmium performs the function normally carried out by zinc in other anhydrases.
Weider Nutrition International offers Cold-Free zinc acetate lozenges, which it claims have higher zinc concentrations.
Chromium and zinc concentrations in pediatric patients receiving long-term parenteral nutrition.
In men, the retinal cells are second only to the prostate in their zinc concentrations.
It has some of the body's highest zinc concentrations.
Iron, copper, and zinc concentrations in normal skin and in various nonmalignant and malignant lesions.