Tag: sildenafil (Viagra)

1. Sildenafil (Viagra) and its metabolites in sewage water can be used to estimate sildenafil consumption by the population.  2. About 60% of estimated sildenafil use was unaccounted for by data from the national dispensary database.  Evidence Rating Level: 4 (Below Average)  Study Rundown: Illicit online pharmacies have proliferated and dispense counterfeit...