Two infants with congenital aplasia of the thymus were found to have normal polymorphonuclear-leukocyte function, immunoglobulins and antibody formation. Delayed hypersensitivity, allograft ...

There’s a lot to be jealous about when it comes to lizards. Some can climb walls, some are ridiculously good at hide and seek, they’ve got tails, and – perhaps coolest of all – many can ...