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Szekrenyi, Anna; Garrabou, Xavier; Parella, Teodor; Joglar, Jesús; Bujons, Jordi; Clapés, Pere . (2015). Asymmetric assembly of aldose carbohydrates from formaldehyde and glycolaldehyde by tandem biocatalytic aldol reactions. Nature Chemistry, (), –. doi:10.1038/nchem.2321 
An interview with Sci-Hub Founder Alexandra Elbakyan,Who exactly should pay for academic research