This free course was written by Dr Ilona Roth and Dr Nancy Rowell.
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The material acknowledged below and within the course is Proprietary and used under licence (not subject to Creative Commons Licence). Grateful acknowledgement is made to the following sources for permission to reproduce material in this free course:
Figure 1: courtesy Ilona Roth
Figure 2: courtesy Ilona Roth
2.2: Video: Arabella (mother of Iris Grace) © The Open University
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