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- [13] Effect of sildenafil citrate on the male sexual experience assessed with the sexual experience questionnaire: A multicenter, double-blind, placebo-controlled trial with open-label extension JOURNAL OF SEXUAL MEDICINE, 2008, 5 (08): : 1955 - 1964
- [15] Secretin in Children with Autistic Disorder: A Double-Blind, Placebo-Controlled Trial Journal of Developmental and Physical Disabilities, 2005, 17 : 95 - 107
- [19] The cult of the double-blind placebo-controlled trial BRITISH JOURNAL OF CLINICAL PRACTICE, 1997, 51 (01): : 36 - 39