Results Vikon-U double-layer tablets are very sensitive to the changes of humidity, especially the core-layer.
结果发现胃康u双层药片对湿度变化很敏感，特别是内层片对湿度变化最敏感。
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Methods To investigate the changes of appearance, weight increase by hygroscopy and degree of swelling of Vikon-U under different dryness and humidity conditions.