Fortified foods contain vitamin D in the form of either D2 or, more commonly, D3, which is the type produced by human skin exposed to sunlight. Salmon, tuna, swordfish and mackerel are examples of fish whose flesh contains vitamin D, notes the NIH Office of Dietary Supplements.
Definition of Wassermann test. : a test for the detection of syphilis using the Wassermann reaction âcalled also Wassermann.
Jarque-Bera. The Jarque-Bera test is a goodness-of-fit measure of departure from normality based on the sample kurtosis and skew. In other words, JB determines whether the data have the skew and kurtosis matching a normal distribution. The test is named after Carlos M. Jarque and Anil K. Bera.