Key points are not available for this paper at this time.
This is a preprint (author's original) version of the article published in Journal of the Royal Anthropological Institute 3:747-60. The final version of the article can be found at http://www.jstor.org/stable/3034037. The version made available in Digital Common was supplied by the author.
Charles Lindholm (Mon,) studied this question.
Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context: