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Journal Article ANNALS OF PHYSICAL MEDICINE Get access L.G. NORMAN L.G. NORMAN Search for other works by this author on: Oxford Academic PubMed Google Scholar Occupational Medicine, Volume 2, Issue 1, April 1952, Page 44, https://doi.org/10.1093/occmed/2.1.44 Published: 01 April 1952
L. G. Norman (Tue,) studied this question.