Determination of the total daily energy expenditure in man by indirect calorimetry: assessment of the accuracy of a modern technique.

Selenium and dental depigmentation 41 incidence of liver necrosis, it had no apparent effect on the depigmentation of the rats’ incisors which takes place if these animals are fed on a diet deficient in tocopherol, and which is prevented only by this vitamin. 4. The parallelism between the effect of selenium and of vitamin E, both of which prevent liver necrosis and prolong the survival time of deficient rats, therefore does not extend to the disturbance causing dental depigmentation.