1
by Engel, H.
Published in Deutsches Philologen-Blatt (1916)
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2
by Engel, H.
Published in Occupational Medicine (2013)
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3
by Engel, H.
Published in Occupational Medicine (2008)
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4
by Engel, H.
Published in BMJ (2002)
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6
7
by Engel, H.
Published in BMJ (1982)
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8
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12
by Engel, H.
Published in Science (1892)
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13
by Engel, H. J.
Published in Physical Therapy (2013)
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14
15
by Engel, H. O.
Published in Occupational Medicine (1996)
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16
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17
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18
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19
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20
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