罂粟碱加酚妥拉明与前列腺素Ｅ１对于阴茎勃起障碍的比较性研究［ＢｅｃｈａｒａＡ，ｅｔａｌ．ＪＵｒｏｌ，１９９７，１５７∶２１３１］作者比较了１ｍｌ（３０ｍｇ／ｍｌ）罂粟碱加０５ｍｇ／ｍｌ酚妥拉明与１ｍｌ（３０μｇ／ｍｌ）前列腺素Ｅ１的疗效及短期副作用... Comparative study of papaverine plus phentolamine and prostaglandin E1 on erectile dysfunction [Bechara A, et al. JUrol, 1997,157: 2131] The authors compared the efficacy and short-term side effects of 1ml (30mg / ml) papaverine plus 0.5mg / ml phentolamine and 1ml (30μg / ml) prostaglandin E1.