EDITOR,—James A Heathcote's cross sectional study is a good example of studies that primary care physicians can carry out to answer questions that the literature does not resolve.1 The study showed a positive relation between age and ear length, but several problems should be addressed. How large is the correlation coefficient? Do taller people have longer ears? Do elderly people of other races …
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Nago et al. (1996) studied this question.
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