关键词：医药学；ED；勃起功能障碍；药物
摘 要：Erectile dysfunction is characterized by the inability to sustain an erection of the penis during sexual activity. Aging, high blood pressure, diabetes mellitus, depression, smoking, nerve or spinal cord damage, alcoholism, and low testosterone levels are some of the reasons responsible for erectile dysfunction.
目 录：01. Executive Summary

02. List of Abbreviations

03. Scope of the Report

03.1 Market Overview

03.2 Product Offerings

04. Market Research Methodology

04.1 Market Research Process

04.2 Research Methodology

05. Introduction

06. Market Landscape

06.1 Market Overview

06.2 Market Size and Forecast

06.3 Five Forces Analysis

07. Market Segmentation by Treatment

08. Market Assessment of Top Drugs

08.1 Viagra

08.2 Cialis

08.3 Levitra

09. Competitive Assessment of Top Drugs

10. Geographical Segmentation

11. Rate of Incidence and Prevalence

12. Buying Criteria

13. Market Growth Drivers

14. Drivers and their Impact

15. Market Challenges

16. Impact of Drivers and Challenges

17. Market Trends

18. Trends and their Impact

19. Vendor Landscape

19.1 Competitive Scenario

19.2 Market Share Analysis 2013

19.3 Other Prominent Vendors

20. Key Vendor Analysis

20.1 Apricus Biosciences

20.2 Bayer

20.3 Dong-A Socio

20.4 Eli Lilly

20.5 Pfizer

20.6 Vivus

21. Other Reports in this Series