• Parkin, J. and Cohen, B. (2001). An overview of the immune system. Lancet, 357, 1777–89.

General review of the immune system with detail about cytokines and mechanisms.

• Goodenough, U.W. (1991). Deception by pathogens. Am. Sci., 79, 344–55.

Describes how, at the molecular level, bacteria and viruses attempt to escape immunological detection.

• Metcalf, D. (1991). The 1991 Florey lecture. The colony-stimulating factors: discovery to clinical use. Phil. Trans. Ser. B, Roy. Soc. Lond., 333, 147–73.

An in-depth review by the discoverer of these important proteins.