| 21. | :I don't think sterility is the norm at all.
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| 22. | These regions have since recovered demographically; excessive sterility has practically disappeared.
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| 23. | He has criticized the sterility of Socialist music since 1975.
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| 24. | This places limits on female sterility because there is no kin selection.
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| 25. | No wonder they're so sterile _ sterility is designed into them!
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| 26. | Some abortions are very painful and cause permanent sterility.
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| 27. | He said he read on the Internet that the vaccine could cause sterility.
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| 28. | Many of the potential applications are more alluring for farmers than seed sterility.
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| 29. | The manufacturing license was suspended for three months because of concerns over sterility.
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| 30. | Company officials believed it was a " sterility problem, " he said.
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