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    Oliver-Africano, P., Dickens, S., Ahmed, Z., Bouras, N., Cooray, S., Deb, S., Knapp, Martin 
ORCID: 0000-0003-1427-0215, Hare, M., Meade, M., Reece, B., Bhaumik, Sumon, Harley, D., Piachaud, J., Regan, A., Ade Thomas, D., Karatela, S., Rao, B., Dzendrowskyj, T., Lenôtre, L., Watson, J. and Tyrer, Peter 
  
(2010)
Overcoming the barriers experienced in conducting a medication trial in adults with aggressive challenging behaviour and intellectual disabilities.
    Journal of Intellectual Disability Research, 54 (1).
     pp. 17-25.
     ISSN 0964-2633
  
  
    Romeo, Renee, Knapp, Martin 
ORCID: 0000-0003-1427-0215, Tyrer, P., Crawford, M. and Oliver-Africano, P. 
  
(2009)
The treatment of challenging behaviour in intellectual disabilities: cost-effectiveness analysis.
    Journal of Intellectual Disability Research, 53 (7).
     pp. 633-643.
     ISSN 0964-2633
  
  
    Tyrer, Peter, Oliver-Africano, P., Romeo, Renee and Knapp, Martin 
ORCID: 0000-0003-1427-0215 
  
(2009)
Neuroleptics in the treatment of aggressive challenging behaviour for people with intellectual disabilities: a randomised controlled trial (NACHBID).
    Health Technology Assessment, 13 (21).
     pp. 1-77.
     ISSN 1366-5278