Abstract Background Evaluation of company clinical trial reports could provide information for meta-analysis at the commercial introduction of a new technology. Methods Clinical trial reports of sildenafil for erectile dysfunction from September 1997 were used for meta-analysis of randomised trials (at least four weeks duration) and using fixed or dose optimisation regimens. The main ... https://countryscenesaddleryandpetsuppliers.shop/product-category/protection-boots/