2
3
by Grümmer, Ruth
Published in Human Reproduction Update (2006)
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4
5
by Grummer, R.
Published in Human Reproduction (2001)
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6
7
8
by GRUMMER, GERHARD
Published in Weed Research (1963)
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15
18
19
by Grummer, Ric R.
Published in Journal of Dairy Science (1991)
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