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
8
9
by ENGEL, H.
Published in Occupational Medicine (1985)
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10
by Engel, H.
Published in BMJ (1982)
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11
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12
16
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17
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18
by ENGEL, H.
Published in Journal of Molluscan Studies (1936)
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19
by ENGEL, H.
Published in Journal of Molluscan Studies (1929)
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20
by Engel, H.
Published in Science (1892)
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