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因为止咳糖浆类药物不仅通过胃肠道的吸收而起到药效作用,而且还在于糖浆药物对支气管粘膜有一种特殊
Because cough syrup drugs not only through the absorption of the gastrointestinal tract and play a pharmacodynamic effect, but also that there is a special bronchial mucosa drugs syrup