Böcker av R Steinman

With ten million persons afflicted each year, no one is entirely immune to cancer and its devastating effects on individuals and families. But recent advances in the development of cancer vaccines-either as therapeutic agents or as preventative measures-are hopeful indicators of progress in this field.

Biomedical research on human subjects is notoriously difficult because of the difficulties in controlling the variables, locating a large enough sample size, and managing the ethical issues that have to be considered for every experiment.