Boyle, Maureen and Bothamley, Judy (2015) Infections Affecting Pregnancy and Childbirth. Radcliffe Publishing, London, UK. ISBN 13:978 190936 835 4
Boyle, Maureen and Bothamley, Judy (2009) Medical Conditions Affecting Pregnancy and Childbirth. Radcliffe Publishing, Oxford, UK. ISBN 13:978 184619 240 1