A Method of Increasing Precision in Vitamin A Assay

Autor: Swanson, Pearl P., Stevenson, Gladys T., Mabel Nelson, P.
Zdroj: The Journal of Nutrition; February 1938, Vol. 15 Issue: 2 p103-123, 21p
Abstrakt: In a study of methods for the improvement of the bio-assay for vitamin A, the average standard deviation from the mean gain has been chosen as the criterion in making comparisons.
Databáze: Supplemental Index