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To the Editor.—
In the July 1978 issue of the Archives (138:1065-1066), hair analysis is classified as a health quack. In this same issue (138:1127-1128) there is an article on the value of hair as a biopsy material. This is a perfect example of the right hand not knowing what the left hand is doing.
Siegel PR. Hair Analysis: Reality vs Quackery. Arch Intern Med. 1978;138(12):1864. doi:10.1001/archinte.1978.03630370070030