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Several different assay systems are combined.\nexposure: S(+)- and R(-)-ibuprofen compared directly on cyclooxygenase-1 and -2, platelet function and nuclear receptor activation\nevidence_span: {\"source_cache\": \"artifacts/ibuprofen-research/11755111.abstract.txt\", \"locator\": \"Indexed abstract; zero-based, end-exclusive Unicode character offsets\", \"file_sha256\": \"1dd77f4a1eebd7777285c424b1731f4744d0fa593e62cfbde0a92dbb6242b239\", \"start_char\": 0, \"end_char\": 2074, \"text_sha256\": \"1dd77f4a1eebd7777285c424b1731f4744d0fa593e62cfbde0a92dbb6242b239\"}\n[ibu-p11755111] Activation of peroxisome proliferator-activated receptor isoforms and inhibition of prostaglandin H(2) synthases by ibuprofen, naproxen, and indomethacin. 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