system
Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
user
The erectile disorder in males is more specifically treated with which of the following agents ?
assistant
The correct answer is  Ans. is 'a' i.e., Sildenafil o Sildenafil, vardenafil and tadalafil are phosphodiesterase V inhibitors indicated for erectile dysfunction.