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doi:10.1016/j.molcel.2012.08.033 134
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Current published research most commonly discusses gastrointestinal events such as nausea, diarrhoea, vomiting and constipation
Researchers gave 32 men with ED a combination of intranasal PT-141 (either 7.5 or 10 mg) plus oral sildenafil (50 or 100 mg), then used a RigiScan device to objectively measure erectile rigidity over 6 hours.Impressively, adding PT-141 to sildenafil increased the duration of erectile activity by over five-fold compared to sildenafil alone
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