Reinforce chapter themes with free access to two journal articles for each chapter and further online readings. Select chapters will also include suggested weblinks.

Useful sites related to health research, especially in relation to the UK:

• http://www.dh.gov.uk

• http://www.esrc.ukri.org

• http://www.mrc.ukri.org

• http://www.ncbi.nlm.nih.gov/pubmed

• http://www.nihr.ac.uk

• http://uk.cochrane.org