菱形威而鋼助勃持續時間多長？到底能撐多久？
??????????????ErectileDysfunction, ED?????Premature Ejaculation, PE??????????????????????????PDE5????Phosphodiesterase type 5 inhibitor???????????????Selective Serotonin Reuptake Inhibitor, SSRI?????????????????????????????????????????????????????Pharmacokinetics???????????????????