The solubility, stability in gastrointestinal tract, membrane permeability and presystemicmetabolism of drugs were the major factors on oral drug absorption.
药物的溶解性，在胃肠道中的稳定性，膜的通透性和全身代谢是影响口服药物吸收的主要因素。
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Results The solubility, stability in gastrointestinal tract, membrane permeability and presystemicmetabolism of drugs were the major factors on oral drug absorption.