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Start Over You searched for: Language English ✖ Remove constraint Language: English Format Text ✖ Remove constraint Format: Text Subject Crystallography, X-Ray ✖ Remove constraint Subject: Crystallography, X-Ray Publisher New York Academy of Sciences ✖ Remove constraint Publisher: New York Academy of Sciences Periodical The Sciences ✖ Remove constraint Periodical: The Sciences Exhibit Tags doublehelix ✖ Remove constraint Exhibit Tags: doublehelix