By General Effect

Analgesics These are drugs that relieve pain. Among the common analgesics are aspirin, ibuprofen, naproxen sodium, and morphine. Aspirin and related drugs 

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There have been several approaches to identify these scaling effects of flow in microchannels, which lead to a discrepancy between classical theory and heat transfer in microchannels below 1 mm [39]. The deviations may be explained by general effects which are neglected in macroscale calculations but are of increasing importance as the characteristic size decreases. 

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