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  1.  19
    A Reply.M. Murphy, K. Hey, M. O’Donnell, B. Willis & J. D. Ellis - 1998 - Journal of Biosocial Science 30 (1):127-133.
    James questions the validity of the very tentative statement made in the final sentence of our paper. Our claim concerned the proportion of twins in Britain in the 1990s that might have arisen through subfertility treatment and was linked to the suggestion that the natural twinning rate might still be in decline. If this were true, we, like James, would regard that prospect with concern.
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  2.  17
    Infertility Treatment and Multiple Birth Rates in Britain, 1938–94.M. Murphy, K. Hey, J. Brown, B. Willis, J. D. Ellis, D. Barlow, A. Chandra, E. H. Stephen, C. Nilses & G. Lindmark - 1997 - Journal of Biosocial Science 29 (2):235-43.
  3. Teaching History and the Nature of Science in Science Courses: A Rationale.R. W. Bybee, J. C. Powell, J. D. Ellis, Giese Jr, L. Parisi & L. Singleton - 1990 - Science Education 75 (1):143-156.
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