2J9N:
reference: Operator-assisted harvesting of protein crystals using a universal micromanipulation robot., Viola R, Carman P, Walsh J, Miller E, Benning M, Frankel D, McPherson A, Cudney B, Rupp B, J Appl Crystallogr. 2007 Jun 1;40(Pt 3):539-545. Epub 2007 May 15. PMID: 19461845

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