犀利士（Cialis）是最受歡迎的勃起功能障礙（ED）藥物之一，有一次性服用和低劑量的犀利士低劑量的可以每天服用。劑量漸進式地服用ED治療要是個好方法。

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By on February 23, 2015 in Member, Research

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