The influence of physical education in producing and confirming, in females, deformity of the spine / by E.W. Duffin.
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The influence of physical education in producing and confirming, in females, deformity of the spine / by E.W. Duffin. Credit: This material has been provided by the Francis A. Countway Library of Medicine, through the Medical Heritage Library. The original may be consulted at the Francis A. Countway Library of Medicine, Harvard Medical School.. Public Domain Mark