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This work attempts to attach to the various shapes and abnormalities of the nails far reaching conclusions concerning the predisposition or present ailment of the patient. For instance, the author affirms that a certain shaped nail occurs in persons predisposed to cancer. He makes no mention of the number of cases in which he has seen this sort of nail or the percentage of such cases in which cancer occurred. If he feels that his own authority is insufficient proof, he refers to one of his confrères for substantiation. The book is a hodgepodge of a few recognized medical facts mixed with a large number of imaginary relationships. Almost no notice is taken of the influence of local injury. The book has no medical value.
Valuer clinique des ongles. JAMA. 1933;101(10):802. doi:10.1001/jama.1933.02740350060039
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