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. 1997 Jul 7;186(1):71–81. doi: 10.1084/jem.186.1.71

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(a) Purity of CD4⁺ cells after enrichment with Ab and C′ (left) and positive selection on magnetic columns (right). (b) Number of live CD4⁺ cells recovered on day 4.

(a) Purity of CD4⁺ cells after enrichment with Ab and C′ (left) and positive selection on magnetic columns (right). (b) Number of live CD4⁺ cells recovered on day 4.