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المصدر: CNS Spectrums. :1-10
مصطلحات موضوعية: medicine.medical_specialty, business.industry, Sildenafil, Psychological intervention, Placebo, medicine.disease, law.invention, Psychiatry and Mental health, chemistry.chemical_compound, Sexual dysfunction, Erectile dysfunction, chemistry, Randomized controlled trial, Strictly standardized mean difference, law, Meta-analysis, Internal medicine, medicine, Neurology (clinical), medicine.symptom, business