The treatment of erectile dysfunction (ED) has been revolutionized in the last 15 years with the introduction of type 5 phosphodiesterase (PDE5) inhibitors. Their efficacy, safety, and ease of administration have made them first-line treatment for ED. This article reviews the current therapies available for ED, and the new PDE5 inhibitors that are being investigated. Furthermore, it examines all the current ED treatment options that are in different phases of development (including oral and topical pharmacotherapy, gene therapy, and tissue engineering).

يتحدث البحث عن دراسة وصفية لكتاب ابن خالويه عن اسم الكتاب وموضوعه وسبب تأليفه ومصادره في كتابه وووصف لمنهجه . 

يتحدث البحث عن تحقيقات ونشر وإصدارات المستشرقين للكتب والمؤلفات في الدراسات القرآنية .