Drug used for penile erection -
Ans. is'd'i.e., All of the above[Ref KDT fl/e p. 303-304 6 &/e p. 296; Katzung LLth/e p. 197)Drugs used in erectile dysfunctionPhosphodiesterase-S inhibitors (Sildenafil, Todafil, Vardenafil)Alprostadil (Prostaglandin El)
Sildenaphil
Apomorphine
Papaverine
All of the above