In an immune response resting T cells are activated when surface receptors are engaged by ligands on an antigen presenting cell (APC). These ligands include the cognate antigen for the T cell receptor ...

THIS pleasant and moderately priced little book forms an excellent introduction to the complex variable. It is written in a brisk and lucid style, and may be confidently recommended to students of ...

Trigonometry and calculus often trouble board exam students due to heavy formulas and poor conceptual clarity. This article ...