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doc#125 | The cells were then washed three times |
doc#122 | phase experiments were then mixed by shaking |
doc#125 | ml fractions were then drawn off with |
doc#60 | the mails were then used to carry |
doc#125 | unstained strips were then marked, using |
doc#125 | . They were then centrifuged at 59,780 |
doc#125 | the tubes were then centrifuged at 1000 |
doc#25 | . He will then appoint the study |
doc#142 | Maybe she will then come to you |
doc#104 | <p> The natural world then , plus poetry |
doc#111 | were even worse then . It is |
doc#120 | a center would then be to release |