Ryan-Kewley, Angela E. (2011) Microbial ecology of Propionibacterium acnes in patients undergoing treatment with isotretinoin. PhD thesis, University of Lincoln.

Thomas, Angela E., Williams, D. Ross, Watts, Toni, Hepburn, Neil C. and Dixon, Ron A. (2008) Investigation of the changing colonisation of skin bacteria during isotretinoin treatment for Acne vulgaris. In: Meeting - Society for General Microbiology, 31 March to 01 April 2008, Edinburgh.

Thomas, Angela E., Williams, D. Ross, Hepburn, Neil C., Watts, Toni and Dixon, Ron A. (2005) Staphylococcal microbiota from the skin of patients: changes associated with treatment by Isotretinoin. In: 15th European Congress of Clinical Microbiology and Infectious Diseases, 01 April to 15 April, 2005, Copenhagen.

Williams, D. Ross, Thomas, Angela E., Hepburn, Neil C., Watts, Toni and Dixon, Ron A. (2004) Changes in skin microbiota of patients associated with treatment by Isotretinoin. In: 43rd Interscience Conference on Antimicrobial Agents and Chemotherapy, November 2004, Washington, DC.

Dixon, Ron A., Thomas, Angela E., Watts, Toni, Hepburn, Neil C. and Williams, D. Ross (2004) Treatment of acne patients with Isotretinoin: related changes in skin microbiota. In: 6th European Congress of Chemotherapy and Infection, November, 2004, Paris, France.